{"product_id":"cartridge-30-sqft","title":"Pleatco 30 Sq Ft Replacement Filter Cartridge for Watkins Hot Spring Spas, PWK30-4","description":"\u003cp\u003eThe Pleatco PWK30-4 is a 30 square foot replacement filter cartridge made to fit Watkins Hot Spring Spas.\u003c\/p\u003e\u003cp\u003eIt measures 5-7\/8 in. in outside diameter by 10-1\/2 in. long. The same cartridge is also sold under Filbur part number FC-3915, a different manufacturer's designation for the same replacement cartridge.\u003c\/p\u003e\u003cp\u003eThe PWK30-4 is sold individually, as a single cartridge, and carries UPC 690164234474.\u003c\/p\u003e","brand":"Pleatco","offers":[{"title":"Default Title","offer_id":48694081781972,"sku":"PLE-051-9670","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_f24873f9-b30e-4c6e-8af4-8b47ffc60f97.jpg?v=1789765574","url":"https:\/\/www.activepoolsupply.com\/products\/cartridge-30-sqft","provider":"Active Pool Supply","version":"1.0","type":"link"}