Deionized Water System for Car Wash – 10L Resin, TDS, Bypass Valve

Deionized water system for car wash delivers a spot-free final rinse that lets vehicles air dry without towel marks, helping you finish faster with less wiping. A 10 L mixed-bed resin tank reduces dissolved minerals like calcium and magnesium, while the included TDS meter makes it easy to monitor water quality and know when it’s time to refill resin. Use BYPASS for soap and rinse, then switch to FILTER for the final spotless rinse.

• Delivers a mineral-reducing final rinse for spot-free drying on paint, glass, and trim


• Includes a TDS meter to check water quality and plan resin refills (refill recommended around 30 ppm)


• Switches modes with a built-in BYPASS valve for tap-water wash, then DI FILTER final rinse


• Handles daily wash setups with a 10 L mixed-bed resin capacity and refill-friendly tank design


• Fits more hookups with both US and EU standard connectors plus an easy-carry handle

Designed for detailers and DIY owners, this spot-free deionized water filter helps reduce water spotting on cars, RVs, motorcycles, windows, and other rinse-down surfaces. In typical ~200 ppm source water, it’s rated for up to 400 gallons (1514 L) of purified water, giving you consistent results across multiple washes. Monitor TDS, top up resin as needed, and keep your final rinse performing at its peak. Grab yours today and streamline your wash routine with cleaner, clearer drying.

• Resin volume: 10 L (2.64 gal) mixed-bed


• Rated capacity: up to 400 gal (1514 L) at ~200 ppm source water


• Working temperature: 39–111°F (4–44°C)


• Inlet working pressure: 3–8.6 MPa


• Built-in bypass valve: Yes


• Dimensions: 9.25 x 9.25 x 23.62 in (235 x 235 x 600 mm)


• Net weight: 24.25 lb (11 kg)


• Connectors: US and EU standard connectors included