Ultrafiltration Under Sink Water Filter System Waterdrop TSU-W

The Waterdrop TSU-W is a 3-stage under-sink ultrafiltration water filter that removes bacteria, cysts, sediment and colloids at the hollow fiber UF membrane without electricity. Pre-sediment and post-carbon stages reduce particulates, chlorine, VOCs and taste and odor compounds. Minerals are retained — unlike reverse osmosis — making it ideal for households on well-maintained municipal water who want physical contaminant removal without demineralization. Easy to install under the counter with a dedicated faucet connection.

Shipping rates are calculated at checkout based on weight and destination. Most orders ship within 1-3 business days directly from the manufacturer's warehouse; ground delivery typically takes 3-8 business days.

See our Shipping Policy for full rate and delivery details. Questions? Contact contact@reinwaterusa.com.

All under-sink water filtration systems sold by Rein Water USA include manufacturer warranty. Crystal Quest systems carry a limited warranty — see product listing for terms. Brondell systems include a 1-year limited warranty on parts and labor, excluding consumable filters.

To make a warranty claim, contact contact@reinwaterusa.com with your order number and proof of purchase.