{"product_id":"davey-microlene-20-inch-jumbo-carbon-block-filter","title":"Davey Microlene 20\" Jumbo Carbon Block Filter Cartridge - Taste, Odour \u0026 Chlorine Reduction, Fits 20\" Jumbo Housings NZ","description":"\u003cp\u003e\u003cstrong\u003eA high-capacity carbon block cartridge that filters sediment while reducing taste, odour, chlorine, pesticides, and THMs in a single stage.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUnlike sediment-only cartridges, carbon block cartridges use activated carbon media to adsorb dissolved chemicals as water passes through. Both variants on this page are made from FDA grade materials and are suited to drinking water applications.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in two variants with different micron ratings, flow rates, and capabilities. Choose based on your filtration priority.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eACB20J (5 micron)\u003c\/strong\u003e is a high-porosity carbon block cartridge designed for higher flow rates and longer service life. Its 5 micron rating helps prevent premature clogging and maximises the life of the carbon. It carries WaterMark certification (WMTS-103, Lic. 22987) and is tested in compliance with AS\/NZS 4020 for use in contact with drinking water.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eBPAC20J (0.5 micron)\u003c\/strong\u003e is a finer-rated carbon block cartridge with a 0.5 micron nominal rating, making it an effective polishing filter. At this rating it effectively removes Giardia and Cryptosporidium cysts from drinking water, complying with AS\/NZ 4348 (\u0026gt;99.9% cyst removal). The BPAC20J does not carry WaterMark or AS\/NZS 4020 certification.\u003c\/p\u003e\n\n\u003cp\u003eBoth variants are not cleanable. As with all carbon cartridges, run for at least 5 minutes after installation to clear carbon fines, and flush for 20 seconds before using the water for drinking. A sediment pre-filter is recommended to prevent premature clogging of the carbon's active sites. Sold as a single cartridge.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specs at a Glance — ACB20J (5 micron)\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSize: 20\" Jumbo (20\" × 4.5\")\u003c\/li\u003e\n  \u003cli\u003eMicron rating: 5 micron nominal\u003c\/li\u003e\n  \u003cli\u003eColour: White with blue end caps\u003c\/li\u003e\n  \u003cli\u003eMedia: Powdered Bonded Activated Carbon (FDA grade)\u003c\/li\u003e\n  \u003cli\u003eOptimal flow rate: 19 lpm\u003c\/li\u003e\n  \u003cli\u003eMax. flow rate: 42 lpm\u003c\/li\u003e\n  \u003cli\u003eCapacity: 90,800L\u003c\/li\u003e\n  \u003cli\u003eMax. temperature: 82.2°C\u003c\/li\u003e\n  \u003cli\u003eReplacement interval: 6 to 12 months, or when taste or odour returns\u003c\/li\u003e\n  \u003cli\u003eWaterMark WMTS-103 (Lic. 22987) certified\u003c\/li\u003e\n  \u003cli\u003eTested in compliance with AS\/NZS 4020\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Specs at a Glance — BPAC20J (0.5 micron)\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSize: 20\" Jumbo (20\" × 4.5\")\u003c\/li\u003e\n  \u003cli\u003eMicron rating: 0.5 micron nominal; 1 micron absolute\u003c\/li\u003e\n  \u003cli\u003eColour: White with grey end caps\u003c\/li\u003e\n  \u003cli\u003eMedia: Powdered Bonded Activated Carbon (FDA grade)\u003c\/li\u003e\n  \u003cli\u003eOptimal flow rate: 15 lpm\u003c\/li\u003e\n  \u003cli\u003eMax. flow rate: 25 lpm\u003c\/li\u003e\n  \u003cli\u003eCapacity: 560,000L\u003c\/li\u003e\n  \u003cli\u003eMax. temperature: 82°C\u003c\/li\u003e\n  \u003cli\u003eReplacement interval: 6 months\u003c\/li\u003e\n  \u003cli\u003eComplies with AS\/NZ 4348 (\u0026gt;99.9% Giardia and Cryptosporidium cyst removal)\u003c\/li\u003e\n  \u003cli\u003eNo WaterMark or AS\/NZS 4020 certification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat Both Variants Reduce\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eTaste\u003c\/li\u003e\n  \u003cli\u003eOdour\u003c\/li\u003e\n  \u003cli\u003eChlorine\u003c\/li\u003e\n  \u003cli\u003ePesticides\u003c\/li\u003e\n  \u003cli\u003eTHMs (trihalomethanes)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat Only the BPAC20J (0.5 micron) Additionally Removes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGiardia cysts\u003c\/li\u003e\n  \u003cli\u003eCryptosporidium cysts (\u0026gt;99.9% removal, complying with AS\/NZ 4348)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChoosing the Right Variant\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eACB20J — 5 micron\u003c\/strong\u003e\u003cbr\u003e\nBest for: larger whole-house systems where flow rate and filter life are priorities. Reduces taste, odour, chlorine, pesticides, and THMs at a higher flow rate and longer service interval. Carries WaterMark and AS\/NZS 4020 certification. Recommended replacement: 6 to 12 months.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBPAC20J — 0.5 micron\u003c\/strong\u003e\u003cbr\u003e\nBest for: applications where maximum filtration is the priority, including cyst removal. Removes Giardia and Cryptosporidium cysts (\u0026gt;99.9%, complying with AS\/NZ 4348). Lower flow rate than the ACB20J. No WaterMark or AS\/NZS 4020 certification. Recommended replacement: 6 months.\u003c\/p\u003e\n\n\u003cp\u003eBoth variants benefit from a coarser sediment pre-filter to protect the carbon media from premature clogging.\u003c\/p\u003e\n\n\u003ch2\u003eFull Technical Specifications\u003c\/h2\u003e\n\u003ch3\u003eACB20J\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\" Jumbo (20\" × 4.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBonded Powdered Activated Carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicron rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 micron nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite with blue end caps\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptimal flow rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19 lpm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. flow rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e42 lpm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90,800L\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e82.2°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterMark\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWMTS-103, Lic. 22987\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrinking water compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTested in compliance with AS\/NZS 4020\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuality system\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISO 9001\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental system\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISO 14001\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eBPAC20J\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\" Jumbo (20\" × 4.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBonded Powdered Activated Carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicron rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 micron nominal; 1 micron absolute\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite with grey end caps\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptimal flow rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 lpm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. flow rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 lpm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e560,000L\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e82°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCyst removal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eComplies with AS\/NZ 4348 (\u0026gt;99.9%)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuality system\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISO 9001\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental system\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISO 14001\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Davey Microlene 20\" Jumbo Carbon Block Filter Cartridge\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible With\u003c\/h2\u003e\n\u003cp\u003eFits most 20\" jumbo housings (20\" × 4.5\"), including Pentair, Puretec, Trevoli, and other major brands.\u003c\/p\u003e\n\u003cp\u003eNot sure if your housing takes a jumbo cartridge? Measure the inside diameter — jumbo cartridges are approximately 4.5\" across, standard cartridges are approximately 2.5\".\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003ch3\u003eWhich variant should I choose — ACB20J or BPAC20J?\u003c\/h3\u003e\n\u003cp\u003eIf flow rate and filter life are your priorities, the ACB20J (5 micron) is the better fit. It handles taste, odour, chlorine, pesticides, and THMs at a higher flow rate and longer service interval. If maximum filtration is the priority — particularly cyst removal — choose the BPAC20J (0.5 micron). Bear in mind the BPAC20J has a shorter replacement interval (6 months) and a lower max flow rate. Not sure? Get in touch and we'll help.\u003c\/p\u003e\n\n\u003ch3\u003eDoes this cartridge remove Cryptosporidium and Giardia?\u003c\/h3\u003e\n\u003cp\u003eThe BPAC20J (0.5 micron) effectively removes Giardia and Cryptosporidium cysts, complying with AS\/NZ 4348 at \u0026gt;99.9% removal. The ACB20J (5 micron) does not carry this rating.\u003c\/p\u003e\n\n\u003ch3\u003eWhich variant is certified?\u003c\/h3\u003e\n\u003cp\u003eThe ACB20J carries WaterMark certification (WMTS-103, Lic. 22987) and is tested in compliance with AS\/NZS 4020 for use in contact with drinking water. The BPAC20J does not carry WaterMark or AS\/NZS 4020 certification, but complies with AS\/NZ 4348 for cyst removal.\u003c\/p\u003e\n\n\u003ch3\u003eHow often do I need to replace it?\u003c\/h3\u003e\n\u003cp\u003eACB20J: every 6 to 12 months, or when taste or odour returns — whichever comes first. BPAC20J: every 6 months. Replace either cartridge sooner if flow drops noticeably.\u003c\/p\u003e\n\n\u003ch3\u003eDo I need a pre-filter?\u003c\/h3\u003e\n\u003cp\u003eA sediment pre-filter is recommended for both variants. Carbon active sites can clog prematurely with high sediment loads, shortening the life of the cartridge. A coarser sediment cartridge upstream extends the life of your carbon stage significantly.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does this cartridge NOT remove?\u003c\/h3\u003e\n\u003cp\u003eCarbon block cartridges are not designed to remove heavy metals, nitrates, bacteria, or viruses. For a complete treatment solution, carbon filtration is typically one stage in a multi-stage system. Get in touch if you need help designing the right system for your water.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I install it?\u003c\/h3\u003e\n\u003cp\u003eAfter fitting, run the cartridge for at least 5 minutes to flush out carbon fines. Flush for 20 seconds before using the water for drinking. This applies to both variants.\u003c\/p\u003e\n\n\u003ch3\u003eWill it fit my housing?\u003c\/h3\u003e\n\u003cp\u003eIt fits most 20\" jumbo housings — those designed for a 20\" × 4.5\" cartridge. To check, measure the inside diameter of your housing. Jumbo cartridges are approximately 4.5\" across; standard cartridges are approximately 2.5\".\u003c\/p\u003e\n\n\u003ch3\u003eDo I need special tools to change the cartridge?\u003c\/h3\u003e\n\u003cp\u003eYou'll need a housing wrench to open the filter housing — most housings include one. Beyond that, no special tools are required.\u003c\/p\u003e\n\n\u003ch3\u003eWhat warranty applies?\u003c\/h3\u003e\n\u003cp\u003eFilter cartridges are consumables and are not covered under a product warranty. If your cartridge arrives damaged or defective, contact us and we'll sort it out.\u003c\/p\u003e","brand":"Davey","offers":[{"title":"5 micron (ACB)","offer_id":45516043976748,"sku":"ACB20J","price":195.62,"currency_code":"NZD","in_stock":true},{"title":"0.5 micron (BPAC)","offer_id":45516044009516,"sku":"BPAC20J","price":260.82,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/5966\/6732\/files\/ACB20J_65a0426f-f679-40cb-a559-5bb42d4318fc.jpg?v=1778032325","url":"https:\/\/www.filtrationstation.co.nz\/products\/davey-microlene-20-inch-jumbo-carbon-block-filter","provider":"Filtration Station NZ","version":"1.0","type":"link"}