{"title":"Granulated GAC \u0026 KDF","description":"\u003cp\u003eWhole House KDF-GAC Filters - Jumbo 10\" \u0026amp; 20\". High quality filtration for the Reduction Of Chlorine and Heavy Metals - NSF Certified\u003c\/p\u003e","products":[{"product_id":"radial-flow-gac-2-stage-aquano-10","title":"Granular Activated Carbon Filter, 10\" Jumbo, 10um","description":"\u003ch3\u003eAbout\u003c\/h3\u003e\n\u003cp\u003eThe Jumbo GAC Highest Flow 2 Stage Water Filter is a specialised radial flow design that delivers high-flow filtration without pressure loss. Water flows from the outer surface toward the center, making it ideal for multi-bathroom homes.\u003c\/p\u003e\n\u003ch4\u003eTwo-Stage Filtration\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eStage 1:\u003c\/strong\u003e The pleated outer wrap traps sediment, silt, and pesticides before they reach the carbon core.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStage 2:\u003c\/strong\u003e The inner granular activated carbon (GAC) core removes chlorine, bad taste, odor, and organic compounds including pesticides, herbicides, and insecticides.\u003c\/p\u003e\n\u003ch4\u003eWhy Choose This Filter\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLowest pressure drop in its class — maintain shower pressure across multiple bathrooms\u003c\/li\u003e\n\u003cli\u003eHigh flow rate up to 48 LPM with minimal carbon fines\u003c\/li\u003e\n\u003cli\u003eProven GAC technology removes chlorine, taste, odor, and chemical contaminants\u003c\/li\u003e\n\u003cli\u003eEffective against hydrogen sulfide (rotten egg odor)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e10\" Jumbo size\u003c\/li\u003e\n\u003cli\u003e10 micron filtration\u003c\/li\u003e\n\u003cli\u003eMax flow rate: up to 48 LPM\u003c\/li\u003e\n\u003cli\u003eTwo-stage radial flow design\u003c\/li\u003e\n\u003cli\u003eAquano Hassle Free Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e","brand":"Aquano","offers":[{"title":"Default Title","offer_id":41308108816537,"sku":"PGC1010J","price":78.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/1714\/7289\/files\/RAD_10.jpg?v=1780369533"},{"product_id":"radial-flow-gac-2-stage-aquano-20","title":"Water Filter GAC Fast Flow 20\" x 4.5\" - Whole House","description":"\u003ch3 style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003eMaintain shower pressure across multiple bathrooms\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Jumbo GAC Highest Flow 2 Stage Water Filter is a specialised radial flow design that delivers high-flow filtration without pressure loss. Water flows from the outer surface toward the center, making it ideal for multi-bathroom homes.\u003c\/p\u003e\n\u003ch4\u003eTwo-Stage Filtration\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eStage 1:\u003c\/strong\u003e The pleated outer wrap traps sediment, silt, and pesticides before they reach the carbon core.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStage 2:\u003c\/strong\u003e The inner granular activated carbon (GAC) core removes chlorine, bad taste, odor, and organic compounds including pesticides, herbicides, and insecticides.\u003c\/p\u003e\n\u003ch4\u003eWhy Choose This Filter\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLowest pressure drop in its class — maintain shower pressure across multiple bathrooms\u003c\/li\u003e\n\u003cli\u003eHigh flow rate up to 89 LPM with minimal carbon fines\u003c\/li\u003e\n\u003cli\u003eProven GAC technology removes chlorine, taste, odor, and chemical contaminants\u003c\/li\u003e\n\u003cli\u003eEffective against hydrogen sulfide (rotten egg odor)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e20\" Jumbo size\u003c\/li\u003e\n\u003cli\u003e10 micron filtration\u003c\/li\u003e\n\u003cli\u003eMax flow rate: 89 LPM\u003c\/li\u003e\n\u003cli\u003eTwo-stage radial flow design\u003c\/li\u003e\n\u003cli\u003eAquano Hassle Free Warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Aquano","offers":[{"title":"Default Title","offer_id":41308093022361,"sku":"PGC2010J","price":149.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/1714\/7289\/files\/aquano_rad.jpg?v=1780623372"},{"product_id":"kdf-gac-jumbo-filter","title":"GAC-KDF55  Jumbo Whole House Water Filter - 10\" x 4.5\"","description":"\u003ch3\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"1\"\u003eGAC\/KDF Filter Profile\u003c\/p\u003e\n\u003cul data-path-to-node=\"2\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,0,0\"\u003e\u003cb data-path-to-node=\"2,0,0\" data-index-in-node=\"0\"\u003eMedia:\u003c\/b\u003e A specialised blend of Granular Activated Carbon and Copper-Zinc alloy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,1,0\"\u003e\u003cb data-path-to-node=\"2,1,0\" data-index-in-node=\"0\"\u003eProcess:\u003c\/b\u003e Uses \"Redox\" (electrolytic) reactions to neutralize contaminants alongside standard carbon absorption.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,2,0\"\u003e\u003cb data-path-to-node=\"2,2,0\" data-index-in-node=\"0\"\u003eContact Time:\u003c\/b\u003e High; the alloy creates chemical reactions as water passes through.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,3,0\"\u003e\u003cb data-path-to-node=\"2,3,0\" data-index-in-node=\"0\"\u003ePressure Drop:\u003c\/b\u003e Moderate; slightly more resistance than standard carbon but manageable for most systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-path-to-node=\"4\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,0,0\"\u003e\u003cb data-path-to-node=\"4,0,0\" data-index-in-node=\"0\"\u003eBacteria\/Biofilm Control:\u003c\/b\u003e When water is typically unchlorinated, it is prone to \"biofilm\" growth. KDF is bacteriostatic, meaning it kills bacteria on contact and prevents them from growing inside the filter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,0\"\u003e\u003cb data-path-to-node=\"4,1,0\" data-index-in-node=\"0\"\u003eHeavy Metal Removal:\u003c\/b\u003e Effectively targets natural heavy metal runoff (like lead, mercury, or copper) often found in groundwater and old plumbing fixtures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,2,0\"\u003e\u003cb data-path-to-node=\"4,2,0\" data-index-in-node=\"0\"\u003eSulfur (Rotten Egg) Smell:\u003c\/b\u003e Standard carbon filters clog or exhaust quickly when exposed to hydrogen sulfide; KDF chemically changes sulfide into a harmless solid that is easily filtered out.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,3,0\"\u003e\u003cb data-path-to-node=\"4,3,0\" data-index-in-node=\"0\"\u003eIron \u0026amp; Rust Protection:\u003c\/b\u003e Helps convert dissolved iron into a filterable state, reducing the metallic \"tang\" and preventing orange staining on fixtures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eTemperature Rating - 40-125°F (4.4-51.7°C)\u003c\/li\u003e\n\u003cli\u003eSize - 4.50\" x 9.75\" (114 mm x 248 mm)\u003c\/li\u003e\n\u003cli\u003eMicron rating 10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e Suits most brands of whole home water filter systems Big blue \u0026amp; Jumbo systems \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSmall particles of carbon called carbon \"fines\" are  present in a new GAC filter and should be generously flushed when first installed to wash away the carbon fines.\u003c\/em\u003e\u003c\/p\u003e","brand":"Pure Zone","offers":[{"title":"Default Title","offer_id":48632928436456,"sku":"10J-GACKDF55","price":125.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/1714\/7289\/files\/urban_3_best_1598b130-4590-400b-818b-cc6f5c24630f.jpg?v=1781053048"},{"product_id":"kdf-gac-big-20-x-4-5-home-water-filter-cartridge-copy","title":"Jumbo GAC-KDF55  High Flow Filter - 20\"","description":"\u003ch3\u003e\u003cspan\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWater Filter KDF-GAC 20\"- For Whole House Water Filter Systems\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFDA Approved - YES\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInternational Certification: NSF to NSF\/ANSI Standard 42\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSuits: M\u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eost big blue and big white Jumbo housings\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFilter Media\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis dual-media filter combines granular activated carbon with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKDF-55 technology\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto address multiple water quality concerns. The activated carbon effectively absorbs chlorine, taste, and odour compounds, while KDF-55 media targets chlorine and water-soluble heavy metals while providing modest control of scale, bacteria, and algae.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNSF International certified\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto NSF\/ANSI Standard 42, it delivers proven performance for residential whole-house applications. Note: Not suitable for acidic water sources due to potential KDF media reactivity.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003csection class=\"container clearfix loaded ignore\" data-carousel-type=\"section\" data-url=\"\/\/nzpumpandwaterfilters.co.nz\/cdn\/shop\/t\/28\/assets\/script.tabbed.js?v=83467205078527531921761110402\" data-section-type=\"tabbed\" data-section-id=\"template--19779238297832__description\"\u003e\n\u003cdiv class=\"nine center text-left bottompad clearfix\"\u003e\n\u003cdiv aria-labelledby=\"tab-description\" role=\"tabpanel\" class=\"product-desc tab-body tab-body-content tab-body-id-template--19779238297832__description\" id=\"description\" tabindex=\"0\"\u003e\n\u003cdiv data-uuid=\"uszau5e\" data-station-tabs=\"i0\" data-match-percent=\"100\" class=\"tabindex station-tabs is-initialized rte is-ready\"\u003e\n\u003cdiv class=\"station-tabs-tabset mod-indicators mod-indicators-chevrons mod-indicators-after mod-vertical\"\u003e\n\u003cdiv aria-hidden=\"false\" role=\"region\" aria-labelledby=\"station-tabs-tab_ht-i0-t17\" id=\"station-tabs-tabpanel_ht-i0-t17\" class=\"station-tabs-tabpanel is-active\"\u003e\n\u003cdiv class=\"station-tabs-tabcontent\"\u003e\n\u003cp\u003eThis jumbo carbon filter combines KDF media with granulated activated carbon to tackle multiple water quality issues in one cartridge. It effectively removes chlorine, pesticides, heavy metals like lead and mercury, hydrogen sulfide, rust, and unpleasant tastes and odours. The copper-zinc alloy also inhibits bacterial and algal growth. FDA-grade construction ensures safety. Flush thoroughly before first use to remove carbon fines.\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTemperature Rating - 40-125°F (4.4-51.7°C)\u003c\/li\u003e\n\u003cli\u003eSize - 4.50\" x 9.75\" (114 mm x 248 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e Suits most brands of whole home water filter systems on mains water 10\" \u0026amp;  20\" \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePuretec\u003c\/li\u003e\n\u003cli\u003eMicrolene (Davey Microlene)\u003c\/li\u003e\n\u003cli\u003eViqua (Sterilight)\u003c\/li\u003e\n\u003cli\u003eTrevoli\u003c\/li\u003e\n\u003cli\u003eAlpine Pure\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePurewater Products\u003c\/li\u003e\n\u003cli\u003eAqua Filter\u003c\/li\u003e\n\u003cli\u003eSapphire\u003c\/li\u003e\n\u003cli\u003ePentair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eSmall particles of carbon called carbon \"fines\" are  present in a new GAC filter and should be generously flushed when first installed to wash away the carbon fines.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-views-tracked=\"true\" data-impressions-tracked=\"true\" data-widget-name=\"review_widget\" data-auto-install=\"false\" data-from-snippet=\"true\" data-id=\"8987147796712\" data-product-title='Carbon Water Filter KDF55-GAC Jumbo (10\"x 4.5\")' class=\"jdgm-widget jdgm-review-widget jdgm--done-setup-widget\" id=\"judgeme_product_reviews\"\u003e\n\u003cdiv data-image-url=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0571\/1714\/7289\/files\/kdf_gac_10.jpg?v=1741573959\" data-number-of-questions=\"0\" data-number-of-reviews=\"1\" data-average-rating=\"5.00\" data-updated-at=\"2025-08-25T18:47:49Z\" class=\"jdgm-rev-widg\"\u003e\n\u003cdiv class=\"jdgm-rev-widg__header\"\u003e\n\u003ch2 class=\"jdgm-rev-widg__title\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Alpine Pure","offers":[{"title":"Default Title","offer_id":46775078912232,"sku":"20BIG KDF\/GAC","price":157.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/1714\/7289\/files\/20_BIG_GAC_KDF.png?v=1762737532"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/1714\/7289\/collections\/pentair-kdf-gac-jumbo-10-water-filter-940322.jpg?v=1723427461","url":"https:\/\/nzpumpandwaterfilters.co.nz\/collections\/whole-house-kdf-gac-jumbo.oembed","provider":"NZ Pump And Water Filters","version":"1.0","type":"link"}