{"product_id":"tier1-pool-filter-cartridge-replacement-for-pentair-r173214-2-pack-trilobal-high-flow-nsf-50-tested","title":"Tier1 Pool Filter Cartridge Replacement for Pentair R173214 2-Pack — Trilobal High-Flow, NSF-50 Tested","description":"\u003cp\u003e\u003cstrong\u003eTier1 Replacement for Pentair R173214 is a direct-fit 2-pack pool filter cartridge engineered with trilobal dirt-lock media to capture more debris while preserving steady water flow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your pool uses a Clean \u0026amp; Clear 75 or similar filter housing, these Tier1 cartridges deliver a reliable, drop-in replacement sized to the same specifications as Pentair R173214. Built with a reinforced core and high-efficiency pleated media, they are tested to NSF 50 protocols for performance and durability. The package contains two cartridges so you can swap both filters at once and restore filtration efficiency quickly.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these cartridges improve filtration without reducing flow?\u003c\/h3\u003e\n\n\u003cp\u003eThe Tier1 design combines a high-flow internal core with trilobal synthetic fibers that trap fine particles without presenting excessive resistance to water. The pleat pattern is optimized to keep surface area high while allowing water to pass freely, protecting pumps and heaters from undue strain. Independent testing confirms consistent circulation under typical pool conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-flow internal core maintains steady water circulation.\u003c\/li\u003e\n  \u003cli\u003eTrilobal fiber shape captures up to 40% more debris than round fibers.\u003c\/li\u003e\n  \u003cli\u003eOptimized pleat spacing prevents pressure spikes and flow restriction.\u003c\/li\u003e\n  \u003cli\u003eEngineered to fit existing housings for easy replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these fit my filter housing and match Pentair R173214 dimensions?\u003c\/h3\u003e\n\n\u003cp\u003eYes — each cartridge measures 16-1\/8\" by 10-1\/16\", matching the footprint of Pentair R173214 and other listed cross-reference models. The end caps and pleat geometry are manufactured to align with common adapters and seals, delivering a leak-resistant fit. Always compare measurements before installing to confirm compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDimensions: 16-1\/8\" (height) x 10-1\/16\" (diameter).\u003c\/li\u003e\n  \u003cli\u003eDesigned as a direct replacement for Pentair R173214 and equivalents.\u003c\/li\u003e\n  \u003cli\u003eCompatible with Clean \u0026amp; Clear 75 housings and listed cross-references.\u003c\/li\u003e\n  \u003cli\u003eDrop-in installation avoids modifications or adapters in most systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance and performance can I expect from the trilobal media?\u003c\/h3\u003e\n\n\u003cp\u003eTrilobal fibers present multiple contact surfaces that trap hair, leaves, and fine particulate more effectively than traditional round fibers. This results in longer intervals between cleanings and improved clarity while preserving hydraulic performance. Routine rinsing with a hose restores most capacity; a periodic deep soak removes embedded oils and finer residues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTraps more debris for extended cleaning intervals.\u003c\/li\u003e\n  \u003cli\u003eHose-rinseable for quick upkeep; deep clean recommended occasionally.\u003c\/li\u003e\n  \u003cli\u003eHelps maintain pump efficiency by avoiding clogged pleats.\u003c\/li\u003e\n  \u003cli\u003eDurable construction reduces need for premature replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these cartridges certified or independently tested?\u003c\/h3\u003e\n\n\u003cp\u003eTier1 cartridges have been evaluated to NSF 50-related performance protocols to verify durability and filtration characteristics relevant to recreational water. While NSF testing covers aspects of structural performance and material longevity, follow local pool regulations and maintenance schedules for operational compliance. Test results support consistent water clarity when cartridges are used and maintained as directed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIndependently tested to NSF 50 protocols for performance and durability.\u003c\/li\u003e\n  \u003cli\u003eQuality control measures ensure consistent dimensions and pleat integrity.\u003c\/li\u003e\n  \u003cli\u003eIntended to meet expectations of residential and light-commercial pools.\u003c\/li\u003e\n  \u003cli\u003eUse per manufacturer guidance for best results and longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Pool owners and service professionals who need a reliable, cost-effective replacement for Pentair R173214 and equivalent cartridges. If you want improved debris capture without sacrificing circulation, a tested alternative that fits Clean \u0026amp; Clear 75 housings, or a two-pack for synchronized filter maintenance, these Tier1 cartridges are a practical choice. Confirm measurements against your existing cartridge before purchase.\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 a direct replacement for Pentair R173214?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They match the 16-1\/8\" x 10-1\/16\" dimensions and are designed as direct-fit replacements for Pentair R173214 and listed equivalents.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I clean these filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinse with a hose every 2–4 weeks under normal use; deep clean or replace annually depending on debris load and water conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Tier1","offers":[{"title":"Default Title","offer_id":56839776141652,"sku":"B07GSHZQRR","price":181.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/tier1-front-packaging-two-pack_75f6dcbb-fa32-45b0-81c3-4589c33a366f.jpg?v=1787068438","url":"https:\/\/gardenluxe.co.uk\/products\/tier1-pool-filter-cartridge-replacement-for-pentair-r173214-2-pack-trilobal-high-flow-nsf-50-tested","provider":"Gardenluxe Uk","version":"1.0","type":"link"}