{"product_id":"ultrafiltration-under-sink-water-filter-system-waterdrop-tsu-w","title":"Waterdrop TSU-W Ultrafiltration Under Sink Water Filter System","description":"\u003cdiv style=\"color:#42434D;line-height:1.7;max-width:880px;margin:0 auto;font-size:16px\"\u003e\n\u003ch2 style=\"color:#0C4A4A;font-size:clamp(1.55rem,3vw,2rem);line-height:1.25;margin:0 0 14px\"\u003eWaterdrop TSU-W for Mineral Retaining Under Sink Water\u003c\/h2\u003e\n\u003cp style=\"font-size:1.06rem;line-height:1.75;margin:0 0 22px\"\u003eThe Waterdrop TSU-W is a compact under sink ultrafiltration system that uses separate sediment, ultrafiltration, and carbon stages. It operates without electricity and produces no wastewater.\u003c\/p\u003e\n\u003cdiv style=\"margin:22px 0 30px;padding:18px 20px;border:1px solid #E6D9B8;border-left:5px solid #C28C10;border-radius:10px;background:#FFF8E7;box-shadow:0 2px 8px rgba(12,74,74,.05)\"\u003e\n\u003cstrong style=\"color:#0C4A4A\"\u003eBest suited for:\u003c\/strong\u003e Homes that want under sink filtration while retaining naturally occurring dissolved minerals and avoiding a reverse osmosis drain connection.\u003c\/div\u003e\n\u003cdiv style=\"margin:22px 0 26px;padding:18px 20px;border:1px solid #C8DEDC;border-left:5px solid #0C4A4A;border-radius:10px;background:#F3F8F7\"\u003e\n\u003ch3 style=\"color:#0C4A4A;font-size:1.18rem;line-height:1.35;margin:0 0 8px\"\u003eWhy choose this system\u003c\/h3\u003e\n\u003cp style=\"margin:0\"\u003eChoose the TSU-W when no wastewater, no electrical connection, and a compact multistage ultrafiltration design are the priorities.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color:#0C4A4A;font-size:1.22rem;line-height:1.35;margin:34px 0 12px;padding-bottom:7px;border-bottom:1px solid #E9E4D8\"\u003eHow this benefits your home\u003c\/h3\u003e\n\u003cul style=\"margin:10px 0 24px;padding-left:1.35rem\"\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:3px\"\u003e\n\u003cstrong style=\"color:#0C4A4A\"\u003eFine filtration with minerals retained:\u003c\/strong\u003e The 0.01 μm ultrafiltration stage filters fine material while retaining dissolved minerals naturally present in the water.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:3px\"\u003e\n\u003cstrong style=\"color:#0C4A4A\"\u003eNo water sent to a reject drain:\u003c\/strong\u003e The system produces no wastewater, helping households avoid the water loss associated with reverse osmosis reject flow.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:3px\"\u003e\n\u003cstrong style=\"color:#0C4A4A\"\u003eNo electricity cost:\u003c\/strong\u003e The filtration process does not require an electrical connection for normal operation.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:3px\"\u003e\n\u003cstrong style=\"color:#0C4A4A\"\u003eMore usable cabinet space:\u003c\/strong\u003e The compact integrated design fits beneath the sink without a separate storage tank.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:3px\"\u003e\n\u003cstrong style=\"color:#0C4A4A\"\u003eMaintenance without guesswork:\u003c\/strong\u003e Electronic filter reminders help owners service each stage when due instead of replacing cartridges prematurely.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:3px\"\u003e\n\u003cstrong style=\"color:#0C4A4A\"\u003eLess dependence on bottled water:\u003c\/strong\u003e Convenient under sink filtered water can reduce recurring bottle purchases and packaging waste.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:22px 0 28px\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/1874\/8571\/files\/WD-UI-WD-TSU-W.png?v=1791635544\" alt=\"Ultrafiltration Under Sink Water Filter System Waterdrop TSU-W\" loading=\"lazy\" style=\"display:block;width:100%;height:auto;border-radius:12px\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/1874\/8571\/files\/US-TSU-W-zhutu-8.jpg?v=1791635544\" alt=\"WD-TSU-W product details\" loading=\"lazy\" style=\"display:block;width:100%;height:auto;border-radius:12px\"\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color:#0C4A4A;font-size:1.22rem;line-height:1.35;margin:34px 0 12px;padding-bottom:7px;border-bottom:1px solid #E9E4D8\"\u003eSpecifications\u003c\/h3\u003e\n\n\u003cdiv style=\"overflow-x:auto;margin:0 0 24px\"\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;min-width:520px\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:38%;padding:11px 12px;text-align:left;vertical-align:top;border:1px solid #DED9CD;background:#FFF8E7;color:#0C4A4A\"\u003eModel\u003c\/th\u003e\n\u003ctd style=\"padding:11px 12px;vertical-align:top;border:1px solid #DED9CD\"\u003eWD-TSU-W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:38%;padding:11px 12px;text-align:left;vertical-align:top;border:1px solid #DED9CD;background:#FFF8E7;color:#0C4A4A\"\u003eFiltration\u003c\/th\u003e\n\u003ctd style=\"padding:11px 12px;vertical-align:top;border:1px solid #DED9CD\"\u003eUltrafiltration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:38%;padding:11px 12px;text-align:left;vertical-align:top;border:1px solid #DED9CD;background:#FFF8E7;color:#0C4A4A\"\u003eMembrane rating\u003c\/th\u003e\n\u003ctd style=\"padding:11px 12px;vertical-align:top;border:1px solid #DED9CD\"\u003e0.01 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:38%;padding:11px 12px;text-align:left;vertical-align:top;border:1px solid #DED9CD;background:#FFF8E7;color:#0C4A4A\"\u003eReplacement filters\u003c\/th\u003e\n\u003ctd style=\"padding:11px 12px;vertical-align:top;border:1px solid #DED9CD\"\u003eTSPP, TSUF, and TSCT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:38%;padding:11px 12px;text-align:left;vertical-align:top;border:1px solid #DED9CD;background:#FFF8E7;color:#0C4A4A\"\u003eCertification\u003c\/th\u003e\n\u003ctd style=\"padding:11px 12px;vertical-align:top;border:1px solid #DED9CD\"\u003eNSF\/ANSI 372\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:38%;padding:11px 12px;text-align:left;vertical-align:top;border:1px solid #DED9CD;background:#FFF8E7;color:#0C4A4A\"\u003eDimensions\u003c\/th\u003e\n\u003ctd style=\"padding:11px 12px;vertical-align:top;border:1px solid #DED9CD\"\u003e14.0 × 4.7 × 14.6 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:38%;padding:11px 12px;text-align:left;vertical-align:top;border:1px solid #DED9CD;background:#FFF8E7;color:#0C4A4A\"\u003eWastewater\u003c\/th\u003e\n\u003ctd style=\"padding:11px 12px;vertical-align:top;border:1px solid #DED9CD\"\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:38%;padding:11px 12px;text-align:left;vertical-align:top;border:1px solid #DED9CD;background:#FFF8E7;color:#0C4A4A\"\u003eElectricity required\u003c\/th\u003e\n\u003ctd style=\"padding:11px 12px;vertical-align:top;border:1px solid #DED9CD\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color:#0C4A4A;font-size:1.22rem;line-height:1.35;margin:34px 0 12px;padding-bottom:7px;border-bottom:1px solid #E9E4D8\"\u003eInstallation and ownership\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 18px\"\u003ePlan for a cold water feed connection, dedicated faucet, and cabinet clearance. Replace each cartridge according to its indicator and the manual. This is an ultrafiltration system and is not intended to reduce dissolved solids like a reverse osmosis membrane.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#0C4A4A;font-size:1.22rem;line-height:1.35;margin:34px 0 12px;padding-bottom:7px;border-bottom:1px solid #E9E4D8\"\u003eManuals and technical documents\u003c\/h3\u003e\n\u003cul style=\"margin:10px 0 24px;padding-left:1.35rem\"\u003e\n\u003cli style=\"margin:0 0 8px\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0078\/6156\/7570\/files\/WD-TSU-USER_MANUAL.pdf?v=1776935959\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color:#0C4A4A;text-decoration:underline\"\u003eOwner manual\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color:#0C4A4A;font-size:1.28rem;margin:28px 0 10px\"\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cdiv style=\"margin:0 0 24px;border-top:1px solid #D8E5E3\"\u003e\n\u003cdetails style=\"margin:0;border-bottom:1px solid #D8E5E3;padding:14px 0\"\u003e\u003csummary style=\"cursor:pointer;color:#0C4A4A;font-weight:700;line-height:1.45\"\u003eIs the TSU-W a reverse osmosis system?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 2px;line-height:1.7;color:#42434D\"\u003eNo. It uses a 0.01 μm ultrafiltration membrane and retains dissolved minerals rather than reducing TDS like reverse osmosis.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin:0;border-bottom:1px solid #D8E5E3;padding:14px 0\"\u003e\u003csummary style=\"cursor:pointer;color:#0C4A4A;font-weight:700;line-height:1.45\"\u003eDoes the TSU-W create wastewater or require electricity?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 2px;line-height:1.7;color:#42434D\"\u003eNo reverse osmosis reject stream or electrical connection is required for normal filtration.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin:0;border-bottom:1px solid #D8E5E3;padding:14px 0\"\u003e\u003csummary style=\"cursor:pointer;color:#0C4A4A;font-weight:700;line-height:1.45\"\u003eWhat is required for installation?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 2px;line-height:1.7;color:#42434D\"\u003ePlan for under sink space, a cold water connection, and the dedicated faucet. Confirm cabinet and countertop clearance before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin:0;border-bottom:1px solid #D8E5E3;padding:14px 0\"\u003e\u003csummary style=\"cursor:pointer;color:#0C4A4A;font-weight:700;line-height:1.45\"\u003eWhich replacement filters does it use?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 2px;line-height:1.7;color:#42434D\"\u003eThe TSU-W uses TSPP, TSUF, and TSCT replacement stages. Service timing depends on the individual stage, source water, and use.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Waterdrop","offers":[{"title":"Default Title","offer_id":49770640703643,"sku":"RP-WD-TSU-W","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/1874\/8571\/files\/WD-UI-WD-TSU-W.png?v=1791635544","url":"https:\/\/waterwellnessworks.com\/products\/ultrafiltration-under-sink-water-filter-system-waterdrop-tsu-w","provider":"Water Wellness Works","version":"1.0","type":"link"}