{"product_id":"tier1-jacuzzi-6540-723-replacement-spa-filter-cartridge-2-pack-10-3-4-high-flow-trilobal-media","title":"Tier1 Jacuzzi 6540-723 Replacement Spa Filter Cartridge 2-Pack — 10-3\/4\" High-Flow Trilobal Media","description":"\u003cp\u003e\u003cstrong\u003eTier1 Replacement for Jacuzzi Spa 6540-723 Filter (2pk) is a pair of compatible spa cartridges engineered to restore filtration performance in Jacuzzi and equivalent spa systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis two-pack of Tier1 replacement cartridges is designed as a direct-fit alternative to Jacuzzi 6540-723 and several OEM equivalents. Built to the dimensions and flow characteristics required by many hot tub systems, these cartridges use trilobal fiber media and a high-flow internal core to trap debris while maintaining steady water circulation. Independently tested to NSF 50 protocols, they offer a balance of capture efficiency and durability so you can return your spa to clear, comfortable water.\u003c\/p\u003e\n\n\u003ch3\u003eWill this cartridge fit my Jacuzzi or equivalent spa?\u003c\/h3\u003e\n\u003cp\u003eYes — the Tier1 replacement is sized and shaped to match the common Jacuzzi 6540-723 profile and multiple cross-reference part numbers. Measure your current cartridge against the listed dimensions to confirm fit before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExact cartridge size: 10-3\/4\" height x 5-3\/16\" diameter\u003c\/li\u003e\n  \u003cli\u003eCompatible with Jacuzzi 6540-723 and cross-referenced models\u003c\/li\u003e\n  \u003cli\u003eAlso fits Pleatco PJW40SC-F2M, Filbur FC-2811, Unicel 5CH-402, and similar\u003c\/li\u003e\n  \u003cli\u003eSold as a convenient 2-pack for simultaneous replacement of two filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the trilobal dirt-lock media improve filtration?\u003c\/h3\u003e\n\u003cp\u003eThe trilobal fiber design presents a larger surface area and sharper capture points than round fibers, catching a wider range of particles without overly restricting flow. That means finer debris is held in the cartridge while water continues circulating efficiently through pumps and heaters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTrilobal fibers capture up to 40% more debris than standard round fibers\u003c\/li\u003e\n  \u003cli\u003eEffective against hair, leaves, silt, and fine particulates\u003c\/li\u003e\n  \u003cli\u003eMedia structure balances capture with sustained water flow\u003c\/li\u003e\n  \u003cli\u003eHelps reduce frequency of intensive cleaning cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters affect pump pressure or heater performance?\u003c\/h3\u003e\n\u003cp\u003eNo — Tier1 cartridges include an internal high-flow core engineered to maintain steady circulation. The core prevents restrictive collapse and helps protect pump and heater operation by keeping head pressure within expected ranges for compatible systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-flow internal core ensures consistent water circulation\u003c\/li\u003e\n  \u003cli\u003eDesigned to avoid excessive backpressure on pumps\u003c\/li\u003e\n  \u003cli\u003eMaintains heater-friendly flow for reliable temperature control\u003c\/li\u003e\n  \u003cli\u003eDurable construction resists deformation under normal usage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat testing and durability can I expect?\u003c\/h3\u003e\n\u003cp\u003eTier1 cartridges are independently tested to NSF 50 protocols for performance and durability parameters relevant to pool and spa filtration. Built materials and pleat structure are chosen to withstand repeated wet\/dry cycles typical in residential spa use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIndependently tested to NSF 50 standards\u003c\/li\u003e\n  \u003cli\u003eRobust pleat spacing resists clogging and collapse\u003c\/li\u003e\n  \u003cli\u003eMaterials selected for repeated cleaning and handling\u003c\/li\u003e\n  \u003cli\u003eTwo-cartridge pack reduces downtime—replace both at once\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Tier1 Replacement for Jacuzzi Spa 6540-723 Filter (2pk) is for spa owners who need a reliable, economical replacement for worn or clogged cartridges that maintain pump and heater performance. It's ideal for people who prefer compatible aftermarket filters that meet common OEM dimensions and have independent performance testing, whether you maintain a private spa, manage a rental property, or service multiple hot tubs.\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 filters a direct replacement for Jacuzzi 6540-723?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. These Tier1 cartridges match the dimensions and fit pattern of Jacuzzi 6540-723 and listed cross-reference models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace these spa cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace based on usage and water quality; many owners swap every 3–12 months or when cleaning no longer restores flow.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Tier1","offers":[{"title":"Default Title","offer_id":56799256838484,"sku":"B07GSC2F64","price":107.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/tier1-front-view-cartridge.jpg?v=1786730102","url":"https:\/\/gardenluxe.co.uk\/products\/tier1-jacuzzi-6540-723-replacement-spa-filter-cartridge-2-pack-10-3-4-high-flow-trilobal-media","provider":"Gardenluxe Uk","version":"1.0","type":"link"}