{"product_id":"tier1-spa-cartridge-replacement-for-teleweir-35-sf-2-pack-9-1-4-x-4-15-16-trilobal-media-high-flow-core","title":"Tier1 Spa Cartridge Replacement for Teleweir 35 SF - 2-Pack 9-1\/4\" x 4-15\/16\" Trilobal Media, High-Flow Core","description":"\u003cp\u003e\u003cstrong\u003eTier1 Replacement for Waterway Teleweir 35 SF Filter (2pk) is a pair of 9-1\/4\" x 4-15\/16\" spa cartridges engineered to trap more debris while maintaining steady water flow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis two-pack of Tier1 replacement cartridges is built to fit popular Teleweir-style filtration housings and compatible part numbers from Pleatco, Unicel, Baleen and Waterway. The filters use a trilobal fiber media that increases surface area and captures finer particles than conventional round-fiber cartridges. Tested to NSF 50 protocols, these replacements are dimensioned and reinforced to preserve pump performance and simplify routine maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eWill these cartridges fit my Teleweir 35 SF system?\u003c\/h3\u003e\n\u003cp\u003eThese Tier1 cartridges match the common Teleweir 35 SF profile and are dimensioned to replace several OEM and aftermarket part numbers. Measure your existing cartridge to confirm compatibility before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDimensions: 9-1\/4\" height × 4-15\/16\" outer diameter.\u003c\/li\u003e\n  \u003cli\u003eCompatible cross-references: Pleatco PWW35L, Unicel 4CH-935, Waterway 817-4035, Baleen AK-90082, PLF4CH-935.\u003c\/li\u003e\n  \u003cli\u003eTwo cartridges per pack for simultaneous replacement or spare stock.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does trilobal dirt-lock media improve filtration?\u003c\/h3\u003e\n\u003cp\u003eThe trilobal fiber shape increases the media surface area and creates more effective particle-capture points than round fibers. That design helps trap hair, fine silt and leaves without excessively restricting flow, extending time between cleanings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures up to ~40% more debris versus round-fiber alternatives.\u003c\/li\u003e\n  \u003cli\u003eImproved dirt-holding capacity reduces maintenance frequency.\u003c\/li\u003e\n  \u003cli\u003eMaintains higher open flow to protect pumps and heaters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters affect pump or heater performance?\u003c\/h3\u003e\n\u003cp\u003eTier1 cartridges are engineered with an internal high-flow core to sustain steady circulation while filtering effectively. Properly sized filtration prevents undue strain on pumps and avoids common flow-restriction problems that can impact heater operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInternal core designed for consistent water throughput.\u003c\/li\u003e\n  \u003cli\u003eBalanced media density for filtration without excessive pressure drop.\u003c\/li\u003e\n  \u003cli\u003eReduces risk of cavitation or heater shutoff caused by clogged filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these filters durable and safe for commercial or residential pools and spas?\u003c\/h3\u003e\n\u003cp\u003eThese Tier1 cartridges have been independently tested to NSF 50 performance standards, indicating reliable structural and filtration properties for spa applications. Durable construction supports repeated cleanings and routine handling in both home and light commercial settings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNSF 50 tested for consistent filtration results and durability.\u003c\/li\u003e\n  \u003cli\u003eRobust media and endcaps built to withstand multiple cleaning cycles.\u003c\/li\u003e\n  \u003cli\u003eTwo-pack supply helps maintain uninterrupted filtration during service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Tier1 Replacement for Waterway Teleweir 35 SF Filter (2pk) is intended for spa and hot tub owners, service technicians, and pool retailers who need a reliable, cost-effective replacement that matches common Teleweir 35 SF cartridges. Choose this two-pack when you want improved debris capture, measured fitment for Teleweir-style housings, and NSF-tested performance without changing your system plumbing or pump settings.\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: Are these Tier1 cartridges compatible with Pleatco PWW35L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — these Tier1 cartridges are designed to replace Pleatco PWW35L and other listed cross-reference 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 replace or clean these filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Clean monthly or when pressure rises; replace annually or sooner if damaged or heavily fouled.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Tier1","offers":[{"title":"Default Title","offer_id":56834744320340,"sku":"B07GSJHY29","price":103.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/tier1-front-packaging-filter-2pk.jpg?v=1787053265","url":"https:\/\/gardenluxe.co.uk\/products\/tier1-spa-cartridge-replacement-for-teleweir-35-sf-2-pack-9-1-4-x-4-15-16-trilobal-media-high-flow-core","provider":"Gardenluxe Uk","version":"1.0","type":"link"}