{"product_id":"pentair-20-jumbo-twin-whole-house-rainwater-filter-system","title":"Pentair 20\" Jumbo Twin Whole House Rainwater Filter System","description":"\u003cp\u003eA 2-stage whole-house filter for tank, rainwater and rural supplies, built on 2 Pentair 20\" Jumbo housings with the cartridges already fitted.\u003c\/p\u003e\u003cp\u003eWater passes through each stage in order: dual gradient sediment (20BDGD-PA) → radial flow carbon (20BRFGAC).\u003c\/p\u003e\u003cp\u003eIt comes assembled on a mounting bracket with a ball valve and a housing spanner. Fit it on the incoming line, restore pressure slowly, check every joint for leaks and flush the new cartridges before use.\u003c\/p\u003e\u003cp\u003eChange cartridges when the flow drops noticeably or treatment falls off. How often depends on your water quality and use.\u003c\/p\u003e\u003cp\u003eWe're NZ owned in Te Rapa, Hamilton. If it's not right, we'll put it right.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":46596359225388,"sku":"20BWH-TWIN(GAC)","price":943.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/5966\/6732\/files\/20BWH-TWIN_GAC_-1000x1000.webp?v=1769637503","url":"https:\/\/www.filtrationstation.co.nz\/products\/pentair-20-jumbo-twin-whole-house-rainwater-filter-system","provider":"Filtration Station NZ","version":"1.0","type":"link"}