{"product_id":"twin-undersink-water-filter-system-housing-10-x-2-5-with-1-4-female-bsp-ports-to-1-4-tube-connectors-watermark-certified-gt1-22","title":"Twin Undersink Water Filter System Housing | 10\" x 2.5\" with 1\/4\" Female Ports to 1\/4\" Tube Connectors | Watermark Certified (GT1-22)","description":"\u003ch1\u003eTwin Undersink Water Filter Kit 10\" x 2.5\" | 1\/4\" Ports (GT1-22)\u003c\/h1\u003e\n\u003cp data-end=\"548\" data-start=\"158\"\u003eThe \u003cstrong data-end=\"205\" data-start=\"162\"\u003eGT1-22 Twin Undersink Water Filter Kit\u003c\/strong\u003e is a versatile and certified twin housing system designed for mains or rainwater applications. With dual 10\" x 2.5\" housings and convenient \u003cstrong data-end=\"369\" data-start=\"346\"\u003e1\/4\" push-fit connectors\u003c\/strong\u003e, this unit is perfect for replacing existing housings or building a custom water filtration setup — including use in pre- or post-filtration for \u003cstrong data-end=\"547\" data-start=\"515\"\u003eReverse Osmosis (RO) systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"852\" data-start=\"550\"\u003eThis unit suits both standard left-to-right and alternate right-to-left flow configurations, offering full compatibility with various installations. It is \u003cstrong data-end=\"736\" data-start=\"705\"\u003ehand-assembled in Australia\u003c\/strong\u003e, designed for reliability, and built using materials that meet strict plumbing and drinking water safety standards.\u003c\/p\u003e\n\u003cp data-end=\"1011\" data-start=\"854\"\u003eWhether you’re configuring a new undersink system or replacing an existing filter kit, the GT1-22 is built for quality, compliance, and ease of integration.\u003c\/p\u003e\n\u003chr data-end=\"1016\" data-start=\"1013\"\u003e\n\u003ch4 data-end=\"1039\" data-start=\"1018\"\u003e\u003cspan style=\"color: rgb(53, 152, 219);\"\u003e\u003cstrong data-end=\"1039\" data-start=\"1023\"\u003eKit Contains\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul data-end=\"1353\" data-start=\"1040\"\u003e\n\u003cli data-end=\"1080\" data-start=\"1040\"\u003e\n\u003cp data-end=\"1080\" data-start=\"1042\"\u003e2 × 10\" x 2.5\" filter housings (white)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1113\" data-start=\"1081\"\u003e\n\u003cp data-end=\"1113\" data-start=\"1083\"\u003e1 × Wall mount bracket (white powdercoated steel)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1150\" data-start=\"1114\"\u003e\n\u003cp data-end=\"1150\" data-start=\"1116\"\u003e1 × Housing opening tool (spanner)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1193\" data-start=\"1151\"\u003e\n\u003cp data-end=\"1193\" data-start=\"1153\"\u003e2 × 1\/4\" push-fit fittings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1260\" data-start=\"1194\"\u003e\n\u003cp data-end=\"1260\" data-start=\"1196\"\u003eFlow direction option: Left-to-Right (standard) or Right-to-Left\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1288\" data-start=\"1261\"\u003e\n\u003cp data-end=\"1288\" data-start=\"1263\"\u003eFilters sold separately\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1353\" data-start=\"1289\"\u003e\n\u003cp data-end=\"1353\" data-start=\"1291\"\u003eOptional: Leak Shut-Off Valve or Pressure Limiting Valve (PLV)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1358\" data-start=\"1355\"\u003e\n\u003ch4 data-end=\"1394\" data-start=\"1360\"\u003e\u003cspan style=\"color: rgb(224, 62, 45);\"\u003e\u003cstrong data-end=\"1392\" data-start=\"1365\"\u003eWaterMark Certification\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp data-end=\"1602\" data-start=\"1395\"\u003eThis system is \u003cstrong data-end=\"1480\" data-start=\"1410\"\u003eWaterMark Certified to AS 3497:2021 under Certificate Number 23247\u003c\/strong\u003e – the mandatory certification standard required for any water filter system installed by a licensed plumber in Australia.\u003c\/p\u003e\n\u003cp data-end=\"1923\" data-start=\"1604\"\u003eWaterMark certification ensures your system complies with Australian plumbing regulations, giving you confidence that every component meets strict safety and quality requirements. Our WaterMark-certified systems are \u003cstrong data-end=\"1851\" data-start=\"1820\"\u003ehand-assembled in Australia\u003c\/strong\u003e and undergo batch testing to ensure consistent quality and workmanship.\u003c\/p\u003e\n\u003cp data-end=\"2152\" data-start=\"1925\"\u003eThis certification covers not only the structural integrity of materials under pressure, but also mandates that all components – including filters – comply with relevant \u003cstrong data-end=\"2141\" data-start=\"2095\"\u003ehealth-based standards such as NSF\/ANSI 42\u003c\/strong\u003e or higher.\u003c\/p\u003e\n\u003cblockquote data-end=\"2336\" data-start=\"2154\"\u003e\n\u003cp data-end=\"2336\" data-start=\"2156\"\u003e⚠️ \u003cstrong data-end=\"2194\" data-start=\"2159\"\u003eBeware of non-certified systems\u003c\/strong\u003e – using uncertified water filters can pose health risks and may lead to voided insurance claims under Australia's Plumbing and Drainage Laws.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp data-end=\"2656\" data-start=\"2338\"\u003e\u003cspan style=\"color: rgb(224, 62, 45);\"\u003e\u003cstrong data-end=\"2360\" data-start=\"2338\"\u003eInstallation Note:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-end=\"2363\" data-start=\"2360\"\u003eUnless this filter is replacing an existing Twin Filter System, this system must be installed by a licensed plumber in accordance with Australian Standards (AS 3497). You can simply order online with free shipping to your home, and any local licensed plumber will be able to complete the installation. Full installation instructions are included in the box.\u003c\/p\u003e","brand":"Filter Systems Australia","offers":[{"title":"Default Title","offer_id":50161733959937,"sku":"GT1-22","price":117.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/9764\/8385\/files\/gt1-22w_-_labelled_2025.jpg?v=1786080306","url":"https:\/\/www.purewaterfiltersrus.com.au\/products\/twin-undersink-water-filter-system-housing-10-x-2-5-with-1-4-female-bsp-ports-to-1-4-tube-connectors-watermark-certified-gt1-22","provider":"Pure Water Filters R Us","version":"1.0","type":"link"}