{"product_id":"filter-cartridge-harmsco-st-105-heavy-duty-pool-replacement","title":"Filter Cartridge | Harmsco | ST-105 | Heavy Duty Pool Replacement","description":"\u003cdiv\u003e\n\u003cp\u003eThe Harmsco ST-105 filter cartridge (HRST105) is the ideal replacement for worn or damaged components in your pool filtration system, restoring essential flow and filtration performance.\u003c\/p\u003e\n\u003cp\u003eDesigned as a direct replacement for ST-105 housings, this cartridge keeps your pool water clear by maintaining steady filtration efficiency and easing pump load. As a reliable \u003cstrong\u003ereplacement pool filter cartridge\u003c\/strong\u003e, it supports the \u003cstrong\u003epool filtration system\u003c\/strong\u003e through regular maintenance and after heavy use, ensuring consistent performance between cleanings.\u003c\/p\u003e\n\u003cp\u003eWhether you manage a residential pool or a compact commercial setup, this Harmsco filter cartridge replacement fits ST-105 configurations and makes routine upkeep straightforward. The HRST105 model delivers dependable operation within your existing setup, minimizing downtime and preserving water quality.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDirect replacement for ST-105 cartridges\u003c\/li\u003e \u003cli\u003eRestores filtration efficiency and water clarity\u003c\/li\u003e \u003cli\u003eEasy installation with standard ST-105 housings\u003c\/li\u003e \u003cli\u003eDurable construction for outdoor pool environments\u003c\/li\u003e \u003cli\u003eCompatible with HRST105 configurations for seamless retrofits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEquip your filtration system with the Harmsco ST-105 today and return to sparkling, inviting pool water. \u003cstrong\u003eAdd to cart\u003c\/strong\u003e to restore your pool’s clarity with a proven, long-lasting replacement.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Harmsco Filtration Products","offers":[{"title":"Default Title","offer_id":48475659206899,"sku":"HMCST105","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7101\/1571\/files\/HMCST105_0.jpg?v=1771478089","url":"https:\/\/everklearpoolsupply.com\/products\/filter-cartridge-harmsco-st-105-heavy-duty-pool-replacement","provider":"Ever-Klear Pool Supply","version":"1.0","type":"link"}