{"product_id":"arpisziv-pdm28-spa-filter-replacement-2-pack-7-x-5-cartridge-low-pressure-drop","title":"Arpisziv PDM28 Spa Filter Replacement 2-Pack — 7¼\" x 5½\" Cartridge, Low Pressure Drop","description":"\u003cp\u003e\u003cstrong\u003eArpisziv PDM28 spa filter 2-pack is a direct replacement cartridge designed to restore clear, debris-free water in hot tubs and small pools compatible with part numbers 461273, FC-9944 and SD-01392.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese two replacement cartridges are made to fit a range of popular spa and hot tub models. With a compact 7 1\/4\" height and a 3\" top and bottom opening, the filters trap hair, leaves, sand, and other suspended particles so your circulation system can run more efficiently. They balance low pressure drop with good flow to help protect pumps and extend system life when used correctly and cleaned regularly.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these filters improve my spa’s water clarity?\u003c\/h3\u003e\n\n\u003cp\u003eThe Arpisziv PDM28 uses layered filtration media that captures visible debris and fine particulates, reducing cloudiness and buildup in the plumbing. Cleaner water reduces the workload on chemical sanitizers and keeps surfaces clearer between deep cleans.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDual-pack for quick swapouts and continuous coverage.\u003c\/li\u003e\n  \u003cli\u003eMulti-layer media traps hair, sand, moss, leaves and dust.\u003c\/li\u003e\n  \u003cli\u003eLow pressure drop maintains steady flow to the pump.\u003c\/li\u003e\n  \u003cli\u003eDimensions match common replacement part numbers for easy compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these cartridges fit my existing spa or hot tub?\u003c\/h3\u003e\n\n\u003cp\u003eThese cartridges measure 7 1\/4\" tall with a 3\" top and bottom opening and a 5-1\/2\" diameter, matching the footprint of PDM28-style filters. They are listed as replacements for part numbers PDM28, 461273, Filbur FC-9944 and Spa Dad SD-01392, so they’re a drop-in option for compatible systems.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHeight: 7 1\/4\"; diameter: 5-1\/2\"; openings: 3\" top and bottom.\u003c\/li\u003e\n  \u003cli\u003eReplaces PDM28, 461273, FC-9944, SD-01392 for many models.\u003c\/li\u003e\n  \u003cli\u003eSold as a 2-pack so you can keep a spare on hand.\u003c\/li\u003e\n  \u003cli\u003eMeasure your old cartridge to confirm fit before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I clean and maintain these replacement filters?\u003c\/h3\u003e\n\n\u003cp\u003eMaintenance is straightforward: rinse loose debris with a high-pressure water gun, then soak periodically in a filter-cleaning solution if heavily soiled. Regular cleaning preserves flow and extends the cartridge lifespan compared with neglect.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRinse with a water gun to remove trapped debris quickly.\u003c\/li\u003e\n  \u003cli\u003eSoak in a manufacturer-recommended filter cleaner for deep cleaning.\u003c\/li\u003e\n  \u003cli\u003eInspect seals and pleats for damage; replace when worn.\u003c\/li\u003e\n  \u003cli\u003eKeep a rotation schedule—one cartridge in use, one spare—for uninterrupted operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance benefits should I expect after swapping to these filters?\u003c\/h3\u003e\n\n\u003cp\u003eAfter installing fresh Arpisziv cartridges, you should notice clearer water, fewer clogs in the skimmer and circulation lines, and steadier pump performance due to reduced backpressure. That translates into lower maintenance time and more reliable equipment operation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eImproved debris capture lowers visible particulates.\u003c\/li\u003e\n  \u003cli\u003eReduced strain on pump and plumbing from better flow.\u003c\/li\u003e\n  \u003cli\u003eSimpler routine cleaning and longer intervals between replacements.\u003c\/li\u003e\n  \u003cli\u003eTwo cartridges included for immediate replacement and backup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Owners of small to medium hot tubs, swim spas and above-ground pools that use PDM28-style cartridges and compatible part numbers. This two-pack suits homeowners who want an affordable, easy-to-install replacement that improves filtration efficiency and helps maintain clear water with minimal fuss. Always confirm dimensions and part compatibility before ordering to ensure a proper fit.\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 Arpisziv filters compatible with Filbur FC-9944?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Arpisziv PDM28 2-pack lists Filbur FC-9944 among compatible part numbers and matches the same dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I clean the spa cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinse with a high-pressure water gun to remove debris and periodically soak in a filter-cleaning solution for deep cleaning.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Arpisziv","offers":[{"title":"Default Title","offer_id":56832623968596,"sku":"B0B3MMQ6S8","price":66.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/arpisziv-spa-filter-front-packaging.jpg?v=1787031970","url":"https:\/\/gardenluxe.co.uk\/products\/arpisziv-pdm28-spa-filter-replacement-2-pack-7-x-5-cartridge-low-pressure-drop","provider":"Gardenluxe Uk","version":"1.0","type":"link"}