{"product_id":"unicel-cartridge-watkins-aquaterra-spa-37-5-sq-ft","title":"UNICEL CARTRIDGE WATKINS\/ AQUATERRA SPA 37.5 sq ft","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\u003cp dir=\"ltr\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eThe Unicel 5CH-37 filter is a replacement cartridge filter for specific spa and hot tub filtration systems, including models from Aquaterra and Hot Springs Spas. Constructed with 221 pleated folds of durable, 3-ounce Reemay polyester media, it provides 37.5 square feet of filtration area for capturing debris and improving water clarity.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp dir=\"ltr\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;text-decoration:none;\"\u003e\u003cstrong\u003eKey features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eHigh-quality media: Made with 100% polyester Reemay material that balances dirt-holding capacity, cleanability, and durability with excellent chemical resistance.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eOptimal filtration: The uniform pleat folds are designed to maximize water flow and minimize pressure loss, allowing the full surface to hold more debris.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eEasy maintenance: The cartridge is washable and reusable, and its smooth surface makes cleaning simple, which helps extend its service life.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eDurable construction: It is built with durable end caps that resist damage from chemicals.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp dir=\"ltr\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;text-decoration:none;\"\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp dir=\"ltr\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eThe Unicel 5CH-37 is compatible with various hot tub and spa systems and is a direct replacement for other manufacturer parts.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp dir=\"ltr\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eUnicel 5CH-37 replaces:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eWatkins: 303279, 78460\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003ePleatco: PFF42TC-P4\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eFilbur: FC-2402\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eLifesmart: ACT-50SQFLTR, LSX1057\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eWatkins: 303279, 78460\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eWatkins: ACT-50SQFLTR\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp dir=\"ltr\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eThis filter is compatible with spas from brands including:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eAquaterra Spas\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eHot Springs Spas\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eLifesmart Spas\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eFreeFlow Spas\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp dir=\"ltr\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;text-decoration:none;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eOutside Diameter: 5 5\/16 inches\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eLength: 9 inches\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eTop End Cap: Bar handle\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eBottom End Cap: 1 1\/2-inch Male Thread (MPT)\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003ePleat Count: 221\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\u003cspan style=\"background-color:transparent;color:#000000;\"\u003e\u003cspan style=\"font-family:Arial,sans-serif;font-size:11pt;font-style:normal;font-weight:400;text-decoration:none;\"\u003eFilter Area: 37.5 square feet\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mastercraft Pool and Spa","offers":[{"title":"Default Title","offer_id":48403416678650,"sku":"FILT | SPA | 5CH-37","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8973\/1066\/files\/10290.jpg?v=1791238074","url":"https:\/\/mastercraftpool.store\/products\/unicel-cartridge-watkins-aquaterra-spa-37-5-sq-ft","provider":"Mastercraft Pool and Spa","version":"1.0","type":"link"}