{"product_id":"unicelreplacementfiltercartridge137sfstaritepmt135uhdsr137unfuhdsr137","title":"Unicel Replacement Filter Cartridge 137 sf Sta-Rite PMT135 | UHD-SR137","description":"\u003cdiv\u003e\n\u003ch1\u003eUnicel UHD-SR137 Filter Cartridge – 137 sq ft Media\u003c\/h1\u003e\n\u003cp\u003eThe Unicel UHD-SR137 is a high-capacity pleated cartridge filter element rated at approx. 137 square feet of media surface. With an outer diameter of about 8⅝″ and a length of approximately 31¼″, it is designed to fit compatible in-ground pool filter systems requiring this size.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApprox. 137 sq ft of filtration media for extended run-time and reduced cleaning frequency.\u003c\/li\u003e\n\u003cli\u003eDimensions: ~8⅝″ (8.6875″) outside diameter × ~31¼″ (31.25″) length.\u003c\/li\u003e\n\u003cli\u003eOpen end-caps both ends for top or bottom manifold fit (verify specifics for your system).\u003c\/li\u003e\n\u003cli\u003eHeavy-duty polyester pleated construction for durability and high flow performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e UHD-SR137\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia Area:\u003c\/strong\u003e ~137 sq ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. Dimensions:\u003c\/strong\u003e ~8⅝″ OD × ~31¼″ length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Cap Style:\u003c\/strong\u003e Open both ends (~4⅛″ ID each) (confirm exact ID with your filter manifold)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Replacement cartridge for filters originally using this size—verify filter model compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation \u0026amp; Use Notes\u003c\/h2\u003e\n\u003cp\u003ePrior to installation, shut off the pool pump and relieve all system pressure. Open the filter tank and remove the old cartridge element. Clean the tank interior of debris and inspect the manifold or base plate. Insert the new UHD-SR137 cartridge, making sure it seats evenly and aligns with the manifold ports. Replace the lid, re-pressurize the system, and monitor the pressure gauge to confirm normal operation.\u003c\/p\u003e\n\u003ch2\u003eMaintenance Tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRinse the cartridge periodically when differential pressure rises above your normal operating range.\u003c\/li\u003e\n\u003cli\u003eReplace the cartridge when media becomes damaged, pleats collapse, or cleaning no longer restores proper flow and pressure.\u003c\/li\u003e\n\u003cli\u003eKeep a replacement cartridge handy in your inventory to minimize downtime during service calls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose This Cartridge?\u003c\/h2\u003e\n\u003cp\u003eFor pool service professionals, supply stores and proactive homeowners, the UHD-SR137 offers a reliable, direct-fit replacement option with high media area—and helps maintain clearer water, better flow and less frequent maintenance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Unicel","offers":[{"title":"Default Title","offer_id":46797805387951,"sku":"UHD-SR137","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/unicel-replacement-filter-cartridge-137-sf-sta-rite-pmt135-uhd-sr137-cartridges-3201427.jpg?v=1777067577","url":"https:\/\/freshized.com\/products\/unicelreplacementfiltercartridge137sfstaritepmt135uhdsr137unfuhdsr137","provider":"Freshized","version":"1.0","type":"link"}