{"product_id":"20-inch-jumbo-5-micron-carbon-block-water-filter-cartridge","title":"20\" Jumbo 5 Micron Carbon Block Water Filter Cartridge","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eImprove your water with a \u003cstrong\u003e20\" Jumbo 5 micron carbon block water filter cartridge\u003c\/strong\u003e, combining fine sediment filtration with activated carbon treatment in one high-capacity cartridge.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe larger 20\" Jumbo format provides substantial carbon media for whole-house and higher-demand water filtration systems.\u003c\/p\u003e\n\u003cp\u003eChoose \u003cstrong\u003eStandard Waimana\u003c\/strong\u003e for dependable 5 micron carbon block filtration with a rated flow of up to \u003cstrong\u003e75 L\/min\u003c\/strong\u003e, or \u003cstrong\u003ePremium Davey Microlene\u003c\/strong\u003e for high-capacity carbon treatment with a \u003cstrong\u003e42 L\/min maximum flow rate\u003c\/strong\u003e, \u003cstrong\u003e19 L\/min optimal treatment flow\u003c\/strong\u003e, and documented treatment capacity of up to \u003cstrong\u003e90,800 litres\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct Options\u003c\/h2\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003e\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003e\u003cstrong\u003ePremium\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eWaimana Water\u003c\/td\u003e\n\u003ctd\u003eDavey Microlene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e20CTO05\u003c\/td\u003e\n\u003ctd\u003eACB20J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e20\" Jumbo\u003c\/td\u003e\n\u003ctd\u003e20\" Jumbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicron Rating\u003c\/td\u003e\n\u003ctd\u003e5 micron\u003c\/td\u003e\n\u003ctd\u003e5 micron nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eActivated carbon block\u003c\/td\u003e\n\u003ctd\u003eBonded powdered activated carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum \/ Rated Flow\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e75 L\/min\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e42 L\/min max\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptimal Treatment Flow\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e19 L\/min\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTreatment Capacity\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e90,800 L\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eEveryday high-flow carbon filtration\u003c\/td\u003e\n\u003ctd\u003eHigh-capacity drinking-water treatment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eStandard — Waimana 20CTO05\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eWaimana 20CTO05\u003c\/strong\u003e combines activated carbon block media with \u003cstrong\u003e5 micron filtration\u003c\/strong\u003e in a high-capacity 20\" Jumbo cartridge.\u003c\/p\u003e\n\u003cp\u003eIts activated carbon block provides water treatment while also helping capture fine suspended sediment as water passes through the cartridge.\u003c\/p\u003e\n\u003cp\u003eWith a rated flow of up to \u003cstrong\u003e75 L\/min\u003c\/strong\u003e, the larger 20\" format is well suited to whole-house and higher-demand residential filtration systems.\u003c\/p\u003e\n\u003cp\u003eChoose Standard when you want dependable carbon block filtration, strong water flow and a cost-effective 20\" Jumbo cartridge.\u003c\/p\u003e\n\u003ch2\u003ePremium — Davey Microlene ACB20J\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDavey Microlene ACB20J\u003c\/strong\u003e is a high-capacity activated carbon cartridge designed for applications where drinking-water quality and treatment capacity are priorities.\u003c\/p\u003e\n\u003cp\u003eIts bonded powdered activated carbon media combines \u003cstrong\u003e5 micron nominal filtration\u003c\/strong\u003e with reduction of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChlorine\u003c\/li\u003e\n\u003cli\u003eUnpleasant taste\u003c\/li\u003e\n\u003cli\u003eOdour\u003c\/li\u003e\n\u003cli\u003ePesticides\u003c\/li\u003e\n\u003cli\u003eDissolved chemicals\u003c\/li\u003e\n\u003cli\u003eSediment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe ACB20J has a \u003cstrong\u003emaximum flow rate of 42 L\/min\u003c\/strong\u003e, with an \u003cstrong\u003eoptimal treatment flow of 19 L\/min\u003c\/strong\u003e and a documented treatment capacity of \u003cstrong\u003e90,800 litres\u003c\/strong\u003e. The lower optimal treatment flow provides greater contact time between the water and activated carbon for contaminant reduction. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIts high-capacity porous carbon block helps maintain water movement through the media while reducing sediment plugging, helping maximise the useful life of the carbon. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eWhy Choose This Water Filter Cartridge?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5 micron filtration\u003c\/strong\u003e — captures fine suspended sediment as water passes through the cartridge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActivated carbon treatment\u003c\/strong\u003e — provides carbon treatment alongside particulate filtration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20\" Jumbo format\u003c\/strong\u003e — provides greater media capacity for larger water systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e75 L\/min Standard flow\u003c\/strong\u003e — strong flow capacity for whole-house applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e42 L\/min Premium maximum flow\u003c\/strong\u003e — provides substantial flow capability when required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e19 L\/min Premium optimal treatment flow\u003c\/strong\u003e — provides greater carbon contact time when contaminant reduction is the priority.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90,800 L Premium treatment capacity\u003c\/strong\u003e — substantial documented water-treatment capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTaste and odour reduction\u003c\/strong\u003e — Premium Davey targets common drinking-water quality issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChlorine and chemical reduction\u003c\/strong\u003e — Premium Davey provides documented reduction of chlorine, pesticides and dissolved chemicals. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eWater passes through the activated carbon block, where \u003cstrong\u003esediment filtration and carbon treatment happen together\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe 5 micron structure captures fine suspended particles, while the activated carbon media treats the water as it moves through the cartridge.\u003c\/p\u003e\n\u003cp\u003eActivated carbon provides a large internal surface area for water treatment. The Premium Davey uses a high-capacity bonded carbon block designed to reduce chlorine, taste, odour, pesticides, dissolved chemicals and sediment. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor carbon treatment, contact time matters. The Davey can flow at up to \u003cstrong\u003e42 L\/min\u003c\/strong\u003e, while its \u003cstrong\u003e19 L\/min optimal treatment flow\u003c\/strong\u003e provides more contact time between the water and activated carbon.\u003c\/p\u003e\n\u003ch2\u003eBest Suited For\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003e20\" Jumbo 5 micron carbon block water filter cartridge\u003c\/strong\u003e is well suited to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWhole-house water filtration\u003c\/li\u003e\n\u003cli\u003eDrinking water filtration\u003c\/li\u003e\n\u003cli\u003eLarger residential water systems\u003c\/li\u003e\n\u003cli\u003eTown-supply water\u003c\/li\u003e\n\u003cli\u003eTaste and odour treatment\u003c\/li\u003e\n\u003cli\u003eChlorine reduction\u003c\/li\u003e\n\u003cli\u003eFine sediment filtration\u003c\/li\u003e\n\u003cli\u003eTank-water treatment systems\u003c\/li\u003e\n\u003cli\u003eFinal-stage water filtration\u003c\/li\u003e\n\u003cli\u003eBeverage applications\u003c\/li\u003e\n\u003cli\u003eFood-industry water treatment\u003c\/li\u003e\n\u003cli\u003eCommercial drinking-water systems\u003c\/li\u003e\n\u003cli\u003eApplications requiring greater carbon capacity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Premium Davey is particularly useful where \u003cstrong\u003edocumented contaminant reduction and high treatment capacity\u003c\/strong\u003e are priorities. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003e\u003cstrong\u003eStandard — Waimana\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003e\u003cstrong\u003ePremium — Davey Microlene\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e20CTO05\u003c\/td\u003e\n\u003ctd\u003eACB20J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCartridge Size\u003c\/td\u003e\n\u003ctd\u003e20\" Jumbo\u003c\/td\u003e\n\u003ctd\u003e20\" Jumbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicron Rating\u003c\/td\u003e\n\u003ctd\u003e5 micron\u003c\/td\u003e\n\u003ctd\u003e5 micron nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eCarbon block\u003c\/td\u003e\n\u003ctd\u003eBonded activated carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eActivated carbon block\u003c\/td\u003e\n\u003ctd\u003ePowdered bonded activated carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum \/ Rated Flow\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e75 L\/min\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e42 L\/min max\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptimal Treatment Flow\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e19 L\/min\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTreatment Capacity\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e90,800 L\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5–45°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaximum \u003cstrong\u003e82.2°C\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Range\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1–4 bar\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eStandard vs Premium — Which Should I Choose?\u003c\/h2\u003e\n\u003ch3\u003eChoose Standard Waimana if you want:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5 micron\u003c\/strong\u003e carbon block filtration\u003c\/li\u003e\n\u003cli\u003eActivated carbon treatment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e75 L\/min\u003c\/strong\u003e rated flow\u003c\/li\u003e\n\u003cli\u003eA high-capacity 20\" Jumbo cartridge\u003c\/li\u003e\n\u003cli\u003eFine sediment filtration and carbon treatment in one stage\u003c\/li\u003e\n\u003cli\u003eStrong whole-house water flow\u003c\/li\u003e\n\u003cli\u003eA practical, cost-effective replacement cartridge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor general whole-house carbon filtration, Standard provides the core benefits of a \u003cstrong\u003e5 micron activated carbon block with strong flow capacity\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eChoose Premium Davey if you want:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e90,800 L documented treatment capacity\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e42 L\/min maximum flow\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e19 L\/min optimal treatment flow\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eReduction of chlorine\u003c\/li\u003e\n\u003cli\u003eReduction of taste and odour\u003c\/li\u003e\n\u003cli\u003eReduction of pesticides\u003c\/li\u003e\n\u003cli\u003eReduction of dissolved chemicals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5 micron nominal\u003c\/strong\u003e sediment filtration\u003c\/li\u003e\n\u003cli\u003eHigh-capacity bonded activated carbon\u003c\/li\u003e\n\u003cli\u003eMaximum operating temperature of \u003cstrong\u003e82.2°C\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe main reason to choose Premium is \u003cstrong\u003edocumented carbon-treatment performance and substantially greater treatment capacity\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eUnderstanding Maximum vs Optimal Flow\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eWaimana 20CTO05\u003c\/strong\u003e has a rated flow of up to \u003cstrong\u003e75 L\/min\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDavey ACB20J\u003c\/strong\u003e has two useful flow figures:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum flow: 42 L\/min\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is the maximum flow rate of the cartridge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptimal treatment flow: 19 L\/min\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is the flow rate to target when maximising the treatment performance of the activated carbon.\u003c\/p\u003e\n\u003cp\u003eCarbon treatment relies on contact time between the water and activated carbon. Running at the lower optimal treatment flow gives the water more time in contact with the carbon media.\u003c\/p\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eThis cartridge is designed for use in a \u003cstrong\u003ecompatible 20\" Jumbo water filter housing\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eTo replace the cartridge:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eTurn off the water supply.\u003c\/li\u003e\n\u003cli\u003eRelease pressure from the filter housing.\u003c\/li\u003e\n\u003cli\u003eRemove the filter housing sump.\u003c\/li\u003e\n\u003cli\u003eRemove the existing cartridge.\u003c\/li\u003e\n\u003cli\u003eClean the housing if required.\u003c\/li\u003e\n\u003cli\u003eCheck that the O-ring is clean and seated correctly.\u003c\/li\u003e\n\u003cli\u003eInsert the new carbon cartridge.\u003c\/li\u003e\n\u003cli\u003eReassemble the housing.\u003c\/li\u003e\n\u003cli\u003eSlowly restore water pressure.\u003c\/li\u003e\n\u003cli\u003eCheck the housing for leaks.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eNew carbon cartridges should be flushed before the water is used for drinking.\u003c\/p\u003e\n\u003cp\u003eFor the Davey ACB cartridge, run water through the new filter for at least \u003cstrong\u003e5 minutes after installation\u003c\/strong\u003e to clear carbon fines. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eMaintenance\u003c\/h2\u003e\n\u003cp\u003eCarbon cartridges should be replaced as the activated carbon reaches the end of its effective treatment life.\u003c\/p\u003e\n\u003cp\u003eActual cartridge life depends on water quality, water consumption, flow rate and the concentration of contaminants being treated.\u003c\/p\u003e\n\u003ch3\u003eStandard — Waimana\u003c\/h3\u003e\n\u003cp\u003eReplace around \u003cstrong\u003eevery 12 months\u003c\/strong\u003e, or sooner if water quality noticeably reduces.\u003c\/p\u003e\n\u003ch3\u003ePremium — Davey Microlene\u003c\/h3\u003e\n\u003cp\u003eThe Premium Davey ACB20J provides a documented treatment capacity of up to \u003cstrong\u003e90,800 litres\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eReplace the cartridge when unwanted taste, odour or the chemical being treated becomes noticeable in the filtered water. For the best contaminant-reduction performance, operate within the recommended optimal treatment flow. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1 × 20\" Jumbo 5 Micron Carbon Block Water Filter Cartridge\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose from:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStandard — Waimana Water 20CTO05\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eor\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePremium — Davey Microlene ACB20J\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does a carbon block water filter do?\u003c\/h3\u003e\n\u003cp\u003eA carbon block cartridge combines \u003cstrong\u003eactivated carbon treatment with fine sediment filtration\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe cartridge captures particulate matter while the activated carbon treats the water as it passes through the media.\u003c\/p\u003e\n\u003cp\u003eThe Premium Davey specifically provides reduction of \u003cstrong\u003echlorine, taste, odour, pesticides, dissolved chemicals and sediment\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhat does 5 micron mean?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e5 micron rating\u003c\/strong\u003e describes the particulate filtration level of the cartridge.\u003c\/p\u003e\n\u003cp\u003eIt provides fine sediment filtration while the activated carbon performs the additional water-treatment process.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between Standard and Premium?\u003c\/h3\u003e\n\u003cp\u003eThe Standard Waimana provides \u003cstrong\u003e5 micron activated carbon block filtration\u003c\/strong\u003e with a rated flow of up to \u003cstrong\u003e75 L\/min\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe Premium Davey provides 5 micron nominal filtration plus documented reduction of chlorine, taste, odour, pesticides and dissolved chemicals. It has a \u003cstrong\u003e42 L\/min maximum flow rate\u003c\/strong\u003e, \u003cstrong\u003e19 L\/min optimal treatment flow\u003c\/strong\u003e, and \u003cstrong\u003e90,800 litre treatment capacity\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhich option should I choose?\u003c\/h3\u003e\n\u003cp\u003eChoose \u003cstrong\u003eStandard Waimana\u003c\/strong\u003e for general whole-house carbon filtration where strong water flow and value are priorities.\u003c\/p\u003e\n\u003cp\u003eChoose \u003cstrong\u003ePremium Davey\u003c\/strong\u003e where documented contaminant reduction and high carbon-treatment capacity are more important.\u003c\/p\u003e\n\u003ch3\u003eWhat is the Davey maximum flow rate?\u003c\/h3\u003e\n\u003cp\u003eThe Davey ACB20J has a \u003cstrong\u003emaximum flow rate of 42 L\/min\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts optimal treatment flow is \u003cstrong\u003e19 L\/min\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhy is the optimal flow lower than the maximum flow?\u003c\/h3\u003e\n\u003cp\u003eActivated carbon treatment benefits from contact time.\u003c\/p\u003e\n\u003cp\u003eOperating around the \u003cstrong\u003e19 L\/min optimal treatment flow\u003c\/strong\u003e gives the water more time in contact with the carbon media than operating at the cartridge's \u003cstrong\u003e42 L\/min maximum flow\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eHow much water can the Premium Davey treat?\u003c\/h3\u003e\n\u003cp\u003eThe Davey ACB20J has a documented treatment capacity of \u003cstrong\u003e90,800 litres\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eActual cartridge life will also depend on incoming water quality, contaminants and usage.\u003c\/p\u003e\n\u003ch3\u003eDoes it help with chlorine taste and smell?\u003c\/h3\u003e\n\u003cp\u003eYes. The Premium Davey ACB20J is designed to reduce \u003cstrong\u003echlorine, unpleasant taste and odour\u003c\/strong\u003e, helping improve drinking-water quality. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eShould I install a sediment filter before a carbon block?\u003c\/h3\u003e\n\u003cp\u003eFor water with higher sediment levels, installing a dedicated sediment cartridge before the carbon block can help protect the carbon media.\u003c\/p\u003e\n\u003cp\u003eThe sediment stage captures dirt and suspended particles first, leaving the carbon cartridge to focus on water treatment.\u003c\/p\u003e\n\u003ch3\u003eDo I need to flush a new carbon cartridge?\u003c\/h3\u003e\n\u003cp\u003eYes. Flushing clears loose carbon fines from a new cartridge.\u003c\/p\u003e\n\u003cp\u003eFor the Premium Davey, run water through the new cartridge for at least \u003cstrong\u003e5 minutes after installation\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy choose a 20\" Jumbo instead of a 10\" Jumbo carbon cartridge?\u003c\/h3\u003e\n\u003cp\u003eThe larger \u003cstrong\u003e20\" Jumbo format provides more carbon media and greater treatment capacity\u003c\/strong\u003e, making it better suited to higher-use systems.\u003c\/p\u003e\n\u003cp\u003eFor example, the Premium Davey ACB20J provides a \u003cstrong\u003e90,800 L treatment capacity\u003c\/strong\u003e, compared with \u003cstrong\u003e45,400 L\u003c\/strong\u003e for the 10\" Jumbo ACB10J.\u003c\/p\u003e\n\u003ch3\u003eWill this fit a 20\" Jumbo housing?\u003c\/h3\u003e\n\u003cp\u003eYes. These cartridges are designed for a \u003cstrong\u003ecompatible 20\" Jumbo water filter housing\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Filtration Station NZ","offers":[{"title":"Standard — Waimana | 75 L\/min","offer_id":45937995710508,"sku":"20CTO05","price":105.0,"currency_code":"NZD","in_stock":true},{"title":"Premium — Davey | 90800 L Capacity","offer_id":45937995743276,"sku":"ACB20J","price":150.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/5966\/6732\/files\/ACB20J_1.jpg?v=1786156600","url":"https:\/\/www.filtrationstation.co.nz\/products\/20-inch-jumbo-5-micron-carbon-block-water-filter-cartridge","provider":"Filtration Station NZ","version":"1.0","type":"link"}