Deionized Water System for Car Wash, 5L Resin, TDS Meter

Spot-free deionized water system delivers a final rinse that helps your vehicle air-dry clean—reducing water spots on paint, glass, and trim without towel wiping. Built for car wash routines at home or on the road, the 5L mixed-bed resin filter removes dissolved minerals like calcium and magnesium, while the included TDS meter makes it easy to track water quality and know when it’s time to refill resin.

• Delivers a spot-free final rinse that helps reduce towel-drying time and streaks on paint and windows


• Includes a TDS meter for fast water-quality checks; refill resin when readings approach ~30 ppm


• Handles up to 200 gal (757 L) of purified water under ~200 ppm source-water conditions


• Fits multiple setups with included US and EU connectors for flexible hose connections


• Improves portability with a built-in handle and a tank designed for easier resin refilling

Use it as the last step of your wash: rinse, soap, rinse again, then switch to deionized water for the final rinse and let the surface air-dry. It’s a practical way to keep cars, RVs, motorcycles, and even windows looking cleaner between details—especially in hard-water areas. Keep an eye on the TDS meter to maintain consistent results and plan resin refills before performance drops. Grab yours today and streamline your spotless rinse routine.

• Resin volume: 5 L (1.32 gal) mixed-bed


• Rated capacity: up to 200 gal (757 L) at ~200 ppm source water


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


• Inlet working pressure: 3–8.6 MPa


• Dimensions: 7.1 × 7.1 × 15.75 in (180 × 180 × 400 mm)


• Net weight: 13.56 lb (6.15 kg)