{"product_id":"unicelreplacementfiltercartridgefor34sfmarquisspac5423unfc5423","title":"Unicel Replacement Filter Cartridge for 34 sf Marquis Spa | C-5423","description":"\u003cdiv\u003e\n\u003ch1\u003eUnicel C-5423 Filter Cartridge\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e C-5423\u003c\/p\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThis filter cartridge offers 34 sq ft of surface area and is designed for use in specific hot tub and spa systems that require a 5.187″ diameter by ~11.9″ length cartridge with closed top and 1.625″ open bottom. It’s constructed of high quality pleated media to capture debris and maintain water clarity.\u003c\/p\u003e\n\u003ch2\u003eCompatibility \u0026amp; Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFits spa filter applications requiring the former OEM part 20045 or 370-0215 for brands such as Marquis Spas. :contentReference[oaicite:0]{index=0}\u003c\/li\u003e\n\u003cli\u003eDimensions: approx. 5 3\/16″ outside diameter × 11 15\/16″ length; top end cap closed; bottom inner diameter ~1 5\/8″. :contentReference[oaicite:1]{index=1}\u003c\/li\u003e\n\u003cli\u003eMedia area: approximately 34 sq ft. :contentReference[oaicite:2]{index=2}\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e34 sq ft of filtration area to provide enhanced debris capture compared to smaller cartridges. :contentReference[oaicite:3]{index=3}\u003c\/li\u003e\n\u003cli\u003ePleat count of about 158 for increased surface area and better flow. :contentReference[oaicite:4]{index=4}\u003c\/li\u003e\n\u003cli\u003eDurable pleated media with closed top cap and open bottom design for proper flow alignment in compatible filter housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eTurn off power and isolate circulation before removing the old cartridge. Remove the filter housing cover, extract the old cartridge, clean inside the housing of debris, inspect O-rings for wear, and insert the C-5423 ensuring correct orientation (closed top up, open bottom down). Re-assemble, pressurize the system, and check for normal pressure rise and flow.\u003c\/p\u003e\n\u003ch2\u003eMaintenance Tip\u003c\/h2\u003e\n\u003cp\u003eClean the cartridge periodically (for example every 4–6 weeks) using a filter wash solution, then rinse thoroughly. Replace the cartridge when cleaning no longer restores proper pressure drop or flow is degraded. A high-quality cartridge like the C-5423 can help maintain optimal water clarity and reduce chemical usage over its service life.\u003c\/p\u003e\n\u003cp\u003eSKU: C-5423\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Unicel","offers":[{"title":"Default Title","offer_id":46797760463023,"sku":"C-5423","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/unicel-replacement-filter-cartridge-for-34-sf-marquis-spa-c-5423-cartridges-8319666.jpg?v=1777066928","url":"https:\/\/freshized.com\/products\/unicelreplacementfiltercartridgefor34sfmarquisspac5423unfc5423","provider":"Freshized","version":"1.0","type":"link"}