{"product_id":"tier1-pool-filter-cartridge-replacement-for-hayward-c1100-2-pack-trilobal-high-flow","title":"Tier1 Pool Filter Cartridge Replacement for Hayward C1100 - 2-Pack Trilobal High-Flow","description":"\u003cp\u003e\u003cstrong\u003eTier1's 2-pack replacement cartridge fits Hayward C1100-style filters and uses trilobal fiber media to trap more debris while preserving steady water flow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eKeep your pool water clear without hassle: these Tier1 replacement cartridges are made to drop into systems that accept Hayward C1100 and equivalent models. Each cartridge measures 23-5\/16\" x 8-1\/2\" and pairs an engineered high-flow core with advanced trilobal dirt-capture media, giving longer run times between cleanings while protecting pumps and heaters from flow restriction.\u003c\/p\u003e\n\n\u003ch3\u003eWill this cartridge fit my Hayward C1100 or compatible filter?\u003c\/h3\u003e\n\u003cp\u003eYes — the cartridge is designed to match the critical dimensions and connection style for Hayward C1100 and many cross-reference models. Check measurements and model numbers before ordering to ensure a correct fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal size: 23-5\/16\" length by 8-1\/2\" diameter\u003c\/li\u003e\n  \u003cli\u003eCross-references include Star Clear IIC1100, Filbur FC-1290, Pleatco PA100, Unicel C-8610 and others\u003c\/li\u003e\n  \u003cli\u003eSold as a 2-pack so you can replace both cartridges at once\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does trilobal media improve filtration compared with standard cartridges?\u003c\/h3\u003e\n\u003cp\u003eTrilobal fibers have a three-lobed profile that increases surface area and creates more mechanical trapping points, so they capture finer particles with less pressure drop. That means clearer water between cleanings and fewer strain cycles on your filtration system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigher dirt-holding capacity versus round fibers\u003c\/li\u003e\n  \u003cli\u003eCaptures hair, leaves, fine sediment, and organic debris\u003c\/li\u003e\n  \u003cli\u003eMaintains better flow to protect pumps and heaters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this cartridge durable and safe for pool equipment?\u003c\/h3\u003e\n\u003cp\u003eThese cartridges are manufactured to consistent tolerances and tested to recognized performance standards to help ensure long life and reliable operation. The robust core supports steady circulation, avoiding the pressure spikes that can lead to equipment strain.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInternal high-flow core for uniform water circulation\u003c\/li\u003e\n  \u003cli\u003eConstructed to withstand routine cleaning cycles\u003c\/li\u003e\n  \u003cli\u003eIndependently tested to NSF 50 performance protocols\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I maintain and clean these replacement cartridges?\u003c\/h3\u003e\n\u003cp\u003eRoutine maintenance is straightforward: rinse debris with a garden hose and periodically soak in a recommended cartridge cleaner for deeper removal of oils and scale. Replace both cartridges as needed when pleats show permanent staining or damage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHose off from top to bottom after pump shutdown\u003c\/li\u003e\n  \u003cli\u003eUse a cartridge-cleaning solution for oily or mineral buildup\u003c\/li\u003e\n  \u003cli\u003eInspect pleats and core; replace when integrity is compromised\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Pool owners and service professionals who need a dependable, ready-to-install replacement for Hayward C1100-style filter cartridges. Choose this Tier1 2-pack if you want improved debris capture from trilobal fibers, a solid high-flow core to protect pumps and heaters, and cartridges sized to fit common cross-reference models.\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 cartridges compatible with Hayward C1100?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They match Hayward C1100 dimensions and cross-reference several equivalent models; verify your cartridge size before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace when pleats show permanent staining, damage, or noticeably reduced flow; typical lifespan varies with usage and maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Tier1","offers":[{"title":"Default Title","offer_id":56806089195860,"sku":"B07BQHWRDB","price":204.61,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/tier1-front-packaging-hayward-c1100-replacement.jpg?v=1786813025","url":"https:\/\/gardenluxe.co.uk\/products\/tier1-pool-filter-cartridge-replacement-for-hayward-c1100-2-pack-trilobal-high-flow","provider":"Gardenluxe Uk","version":"1.0","type":"link"}