{"product_id":"o-ring-starclear-plus-knob","title":"Hayward StarClear Plus Knob O-Ring","description":"\u003cp\u003eThe Hayward CX900H is the o-ring for the Star Clear Plus locking knob. It is the genuine Hayward part, made in rubber.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it fits\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHayward lists it for the Star Clear Plus cartridge filters: C751, C900, C1200, C1750 and C1900.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to change it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eRubber hardens and takes a set, and once it does the knob area starts to weep. Because the o-ring costs almost nothing, it is the sensible first thing to replace, and a good part to have on hand before you open the filter to clean the cartridge.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":48627954155732,"sku":"HAY-051-1465","price":2.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_bffd57d2-5012-4fe8-bc1a-9f8d72b89833.png?v=1788730894","url":"https:\/\/www.activepoolsupply.com\/products\/o-ring-starclear-plus-knob","provider":"Active Pool Supply","version":"1.0","type":"link"}