{"product_id":"filter-kit-fk-108-for-pwc-3500-vertex-water-cooler","title":"Filter Kit FK-108 for PWC-3500R","description":"\u003ch2\u003eFilter Kit FK-108 for Vertex Water Coolers (Reverse Osmosis)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFK-108 Filter Kit\u003c\/strong\u003e delivers multi-stage \u003cstrong\u003ereverse osmosis purification\u003c\/strong\u003e for Vertex water coolers, providing premium-quality drinking water free from dissolved solids, chlorine, and contaminants. Designed for easy maintenance and superior performance, this kit keeps your RO cooler operating at peak efficiency.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe FK-108 is the \u003cstrong\u003ereplacement filter kit for RO models\u003c\/strong\u003e such as the PWC-3500R, PWC-1500R, and PWC-1000TR. It combines sediment, carbon, and RO filtration stages to remove impurities down to the molecular level—ideal for offices, healthcare environments, and homes that demand the purest water possible.\u003c\/p\u003e\n\u003cp\u003eIncludes all pre- and post-filters required for one full maintenance cycle. The RO membrane (50–75 GPD) may be replaced less frequently depending on usage and feed water quality.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFilter Stages\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 1:\u003c\/strong\u003e 5-micron Sediment Filter – Captures rust, silt, and particulate matter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 2:\u003c\/strong\u003e 10-micron Carbon Block Filter – Removes chlorine, odor, and organic compounds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 3:\u003c\/strong\u003e Reverse Osmosis Membrane (50–75 GPD) – Removes up to 95% of dissolved solids and contaminants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 4:\u003c\/strong\u003e Post Carbon Filter (Polishing Stage) – Enhances taste for clean, fresh water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eCompatible with the following Vertex models:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePWC-3500R\u003c\/li\u003e\n\u003cli\u003ePWC-1500R\u003c\/li\u003e\n\u003cli\u003ePWC-1000TR\u003c\/li\u003e\n\u003cli\u003ePWC-1010R\u003c\/li\u003e\n\u003cli\u003ePWC-2000R\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFilter Size: 2.5” × 12” inline cartridges\u003c\/li\u003e\n\u003cli\u003eRO Membrane Capacity: 50–75 GPD (model-dependent)\u003c\/li\u003e\n\u003cli\u003eConnections: Quick-Connect fittings\u003c\/li\u003e\n\u003cli\u003eCertifications: NSF Standard 58\u003c\/li\u003e\n\u003cli\u003eReplacement Cycle: Pre\/Post filters every 6–12 months; RO membrane every 2–3 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eIncludes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Sediment Filter (IFA-4035)\u003c\/li\u003e\n\u003cli\u003e1 × Carbon Filter (IFA-4034)\u003c\/li\u003e\n\u003cli\u003e1 × Post Carbon Filter\u003c\/li\u003e\n\u003cli\u003e1 × RO Membrane (50–75 GPD)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Vertex","offers":[{"title":"Default Title","offer_id":51883734073709,"sku":"FK-108","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2184\/4589\/files\/fk108_d6750dcc-4e6f-4477-9ade-084383df202d.png?v=1760662616","url":"https:\/\/humboldtwatersystems.com\/products\/filter-kit-fk-108-for-pwc-3500-vertex-water-cooler","provider":"Humboldt Water Systems ","version":"1.0","type":"link"}