{"product_id":"unicelreplacementfiltercartridge52sfstariteuhdsr50unfuhdsr50","title":"Unicel Replacement Filter Cartridge 52 sf Sta-Rite | UHD-SR50","description":"\u003cdiv\u003e\n\u003ch2\u003eUnicel UHD-SR50 – 52 sq ft Replacement Cartridge Filter\u003c\/h2\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Unicel UHD-SR50 is a high-quality replacement cartridge designed for pool and spa filtration systems that originally use a 50–52 sq ft element. Its durable pleated polyester media provides excellent dirt-holding capacity, improved water clarity, and long service life.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eApproximately 52 sq ft of pleated filtration surface.\u003c\/li\u003e\n\u003cli\u003eDurable, chemical-resistant end caps for long-term performance.\u003c\/li\u003e\n\u003cli\u003eOpen top and bottom design for full flow and proper seating.\u003c\/li\u003e\n\u003cli\u003eDirect replacement for systems requiring a UHD-SR50-style cartridge.\u003c\/li\u003e\n\u003cli\u003eSimple drop-in installation with no modifications required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: UHD-SR50\u003c\/li\u003e\n\u003cli\u003eMedia Area: ~52 sq ft\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: Approximately 8-11\/16″\u003c\/li\u003e\n\u003cli\u003eLength: Approximately 13-5\/16″\u003c\/li\u003e\n\u003cli\u003eTop Opening: Approx. 4-3\/16″ inner diameter\u003c\/li\u003e\n\u003cli\u003eBottom Opening: Approx. 4-3\/16″ inner diameter with slotted design\u003c\/li\u003e\n\u003cli\u003ePleat Count: Approximately 195 pleats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Filter Models\u003c\/h3\u003e\n\u003cp\u003eThis cartridge replaces the element used in several Sta-Rite and related systems, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSta-Rite 50TX\u003c\/li\u003e\n\u003cli\u003eSta-Rite 50TXR\u003c\/li\u003e\n\u003cli\u003eSta-Rite T-50TX\u003c\/li\u003e\n\u003cli\u003eSta-Rite T-50TXR\u003c\/li\u003e\n\u003cli\u003eSta-Rite 50GPM-TX\u003c\/li\u003e\n\u003cli\u003ePTM50 and similar 50 sq ft cartridge filter housings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Instructions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTurn off the pump and release pressure from the filter tank.\u003c\/li\u003e\n\u003cli\u003eRemove the filter lid or clamp and take out the old cartridge.\u003c\/li\u003e\n\u003cli\u003eRinse and inspect the filter tank for debris or wear.\u003c\/li\u003e\n\u003cli\u003eInsert the UHD-SR50 cartridge, making sure it seats properly on both ends.\u003c\/li\u003e\n\u003cli\u003eReinstall the lid or clamp, restore circulation, and confirm normal operating pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTroubleshooting\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh pressure after installation:\u003c\/strong\u003e Check for closed valves, blockages, or incorrect cartridge seating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow flow or cloudy water:\u003c\/strong\u003e Verify the cartridge is correctly positioned and that pleats are not damaged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeaks at tank lid:\u003c\/strong\u003e Inspect O-ring, gasket, and lid seating surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaintenance Tip\u003c\/h3\u003e\n\u003cp\u003eRinse the cartridge regularly with fresh water. Use a cartridge cleaning solution as needed to remove oils and fine debris. Replace the cartridge when pleats are worn, collapsed, or when pressure remains high after cleaning.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Unicel","offers":[{"title":"Default Title","offer_id":46797815677103,"sku":"UHD-SR50","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/unicel-replacement-filter-cartridge-52-sf-sta-rite-uhd-sr50-cartridges-9748760.jpg?v=1777067695","url":"https:\/\/freshized.com\/products\/unicelreplacementfiltercartridge52sfstariteuhdsr50unfuhdsr50","provider":"Freshized","version":"1.0","type":"link"}