{"product_id":"tier1-clearwater-30-pool-filter-cartridge-10-1-2-x-6-high-flow-trilobal-dirt-lock-media","title":"Tier1 Clearwater 30 Pool Filter Cartridge — 10-1\/2\" x 6\" High-Flow, Trilobal Dirt-Lock Media","description":"\u003cp\u003e\u003cstrong\u003eThe Tier1 Replacement Waterway Clearwater 30 is a 10-1\/2\" x 6\" high-flow pool filter cartridge that uses trilobal dirt-lock media to capture more debris while maintaining steady water circulation.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement filter cartridge is built to fit a wide range of Waterway- and OEM-style housings and offers an engineered core and advanced fiber shape to balance filtration efficiency with pump-friendly flow. It’s compatible with many Watkins, Filbur, Unicel, Pleatco and other part numbers, making it a convenient swap when you need to restore filtration performance without modifying plumbing or equipment.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this cartridge improve debris capture compared with a standard filter?\u003c\/h3\u003e\n\u003cp\u003eThe Clearwater 30 uses trilobal fibers which provide a higher surface area and mechanical interlock compared to round fibers, collecting more fine particles and common pool contaminants. That design helps trap hair, leaves, sand and other solids while keeping pores open longer between cleanings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTrilobal dirt-lock media captures up to 40% more debris than conventional round-fiber cartridges.\u003c\/li\u003e\n  \u003cli\u003ePleated surface increases overall filtration area for finer particle retention.\u003c\/li\u003e\n  \u003cli\u003eWorks across a range of particle sizes for consistent clarity without chemical changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my existing Waterway or equivalent housing?\u003c\/h3\u003e\n\u003cp\u003eThe cartridge measures 10-1\/2\" tall by 6\" diameter and is made as a drop-in replacement for multiple OEM part numbers. It’s sized to seat securely in compatible housings and maintain a seal that prevents bypass and leak paths when installed correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Watkins 31489, Filbur FC-3915, Unicel C-6330\/C-6430\/C-6430RA and others.\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for Pleatco PWK30 series and similar pool cartridges.\u003c\/li\u003e\n  \u003cli\u003eDesigned to fit standard Clearwater 30 housings without adapters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the internal core affect pump and heater performance?\u003c\/h3\u003e\n\u003cp\u003eThe Clearwater 30 includes a high-flow internal core engineered to support steady water movement through the pleats, minimizing pressure spikes that can strain pumps or affect heaters. The structure aims to preserve flow while still maintaining effective filtration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInternal high-flow core prevents collapse under pressure and supports continuous circulation.\u003c\/li\u003e\n  \u003cli\u003eEngineered pleat spacing maintains flow as the cartridge loads with debris.\u003c\/li\u003e\n  \u003cli\u003eStable flow characteristics reduce risk of pump cavitation or heater restriction seen with some low-flow media.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat standards and durability can I expect from this replacement cartridge?\u003c\/h3\u003e\n\u003cp\u003eThe Tier1 Clearwater 30 has been tested to NSF 50 protocols for performance and durability, indicating it meets recognized industry benchmarks for safety and operational consistency. It’s constructed to withstand repeated cleanings and seasonal use when maintained according to guidelines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIndependently tested to NSF 50 standards for filtration performance and durability.\u003c\/li\u003e\n  \u003cli\u003eRobust pleat construction resists deformation during cleaning cycles.\u003c\/li\u003e\n  \u003cli\u003eMaterials selected to tolerate typical pool chemical exposure when rinsed and dried between seasons.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The Tier1 Waterway Clearwater 30 is intended for pool owners and service technicians looking for a reliable, higher-efficiency replacement cartridge that fits common Waterway and OEM housings. Choose this filter if you want improved debris capture, a drop-in fit for many Watkins\/Filbur\/Unicel\/Pleatco part numbers, and a design that supports consistent pump and heater flow without major system changes.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Tier1 Clearwater 30 compatible with Filbur and Pleatco models?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It replaces Filbur FC-3915 and Pleatco PWK30 series among other listed OEM part numbers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I clean or replace this cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Clean when pressure rises or every few weeks during heavy use; replace yearly or as needed based on wear.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Tier1","offers":[{"title":"Default Title","offer_id":56832398295380,"sku":"B00FW0TOLY","price":67.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/tier1-clearwater30-front-view.jpg?v=1787028618","url":"https:\/\/gardenluxe.co.uk\/products\/tier1-clearwater-30-pool-filter-cartridge-10-1-2-x-6-high-flow-trilobal-dirt-lock-media","provider":"Gardenluxe Uk","version":"1.0","type":"link"}