{"product_id":"cartridge-ptm-135-posi-flo-ii","title":"Pleatco Cartridge PTM-135 Posi-Flo II","description":"\u003cp\u003eThe Pleatco PSR137 is a replacement filter cartridge for the Sta-Rite Posi-Flo II family, listed for the PTM 135 and for the 35 TX and 35 TXR.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChecking the fit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe element measures 8-11\/16 inches across the outside diameter and 31-1\/4 inches long, and the open end carries 12 concentric slots. Pulling the old cartridge and measuring it is the surest way to confirm the match, because Sta-Rite housings of similar size take different elements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCartridges do not last forever. Once the pleats stay grey after a proper soak and rinse, or the pressure climbs back to where it was within days of a clean, the media has loaded past recovery. A tired element drives filter pressure up, cuts flow through the pump and lets fine dirt back into the pool.\u003c\/p\u003e","brand":"Pleatco","offers":[{"title":"Default Title","offer_id":48628784070868,"sku":"PLE-051-9604","price":126.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_f5df76b0-52c4-4095-8518-1d2528055de5.jpg?v=1788750612","url":"https:\/\/www.activepoolsupply.com\/products\/cartridge-ptm-135-posi-flo-ii","provider":"Active Pool Supply","version":"1.0","type":"link"}