{"product_id":"pt-4-0-4-stage-ro-system","title":"PT-4.0 – 4-Stage Certified 36 GPD Reverse Osmosis System","description":"\u003ch2\u003ePT-4.0 – 4-Stage Certified 36 GPD Reverse Osmosis System\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe PT-4.0\u003c\/strong\u003e is a certified 4-stage residential reverse osmosis system designed to deliver clean, great-tasting drinking water directly from your tap. Rated at \u003cstrong\u003e36 gallons per day (GPD)\u003c\/strong\u003e, this compact under-sink system provides reliable multi-stage filtration for homes seeking dependable water purification.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe PT-4.0 uses a traditional 4-stage filtration process that combines sediment filtration, carbon filtration, and reverse osmosis membrane technology to reduce contaminants, chlorine, taste, and odor.\u003c\/p\u003e\n\u003cp\u003eIdeal for residential kitchen installations, this system includes a \u003cstrong\u003e4-gallon storage tank\u003c\/strong\u003e and all necessary installation hardware. Its standard 2.5” × 10” vertical filter housings allow for simple servicing and long-term maintenance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFiltration Stages\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 1:\u003c\/strong\u003e 5-Micron Sediment Filter – Removes dirt, rust, and suspended solids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 2:\u003c\/strong\u003e Carbon Block Filter – Reduces chlorine, taste, and odor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 3:\u003c\/strong\u003e 36 GPD TFC RO Membrane – Reduces dissolved solids and a wide range of contaminants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 4:\u003c\/strong\u003e Inline Post Carbon Filter – Final polishing stage for improved taste.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSystem Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduction Capacity: 36 Gallons Per Day (GPD)\u003c\/li\u003e\n\u003cli\u003eMembrane Type: TFC Reverse Osmosis\u003c\/li\u003e\n\u003cli\u003eFilter Housing Size: 2.5” × 10” standard housings\u003c\/li\u003e\n\u003cli\u003eTank Size: 4-Gallon Storage Tank\u003c\/li\u003e\n\u003cli\u003eConnections: 1\/4” Jaco compression fittings\u003c\/li\u003e\n\u003cli\u003eInstallation Hardware: Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement Filter Kit: \u003cstrong\u003eFK-100\u003c\/strong\u003e (for annual pre\/post filter replacement)\u003c\/li\u003e\n\u003cli\u003eReplacement Membrane: \u003cstrong\u003eMA-4202 (36 GPD)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRecommended Filter Replacement: Every 6–12 months\u003c\/li\u003e\n\u003cli\u003eMembrane Replacement: Typically every 2–3 years depending on water quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eResidential under-sink installations\u003c\/li\u003e\n\u003cli\u003eHomes seeking improved taste and odor reduction\u003c\/li\u003e\n\u003cli\u003eMunicipal water supplies with chlorine present\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e📄 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0911\/2184\/4589\/files\/Vertex_PT_4.0.pdf?v=1772493185\" target=\"_blank\" rel=\"noopener\"\u003eDownload PT-4.0 Manual\u003c\/a\u003e\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"Default Title","offer_id":53065968124269,"sku":"PT-4.0","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2184\/4589\/files\/PT40.png?v=1772492174","url":"https:\/\/humboldtwatersystems.com\/products\/pt-4-0-4-stage-ro-system","provider":"Humboldt Water Systems ","version":"1.0","type":"link"}