Deionized Resin Filter, 2-Pack 4L Mixed-Bed Cartridges

DI resin replacement filter delivers spot-free rinsing by removing dissolved ions so water can air-dry clean on paint, glass, and panels. This 2-pack of 4L mixed-bed deionized resin cartridges is designed for compatible spotless car wash deionized systems, helping reduce towel drying and cut down on water spots. High-efficiency media targets calcium, magnesium, TDS, and other ions for clearer results across frequent wash sessions.

• Delivers deionized water that dries spot-free, reducing the need to wipe or towel-dry.


• Removes dissolved ions like calcium, magnesium, and TDS for cleaner rinse performance.


• Supports up to 330 gal / 1250 L capacity under average 200 ppm feed water conditions.


• Fits compatible 2 x 4L deionized water systems used for spotless car wash setups.


• Works on cars, RVs, motorcycles, boats, windows, solar panels, and more.

Keep your deionized water system performing with a fresh mixed-bed resin changeout when output quality starts to drop. These replacement cartridges are built for quick swaps and consistent filtration, making routine maintenance simpler for mobile detailers and home wash bays alike. For best results, plan to use the resin promptly after opening—extended exposure to air can reduce filtration performance. Grab yours today and keep your rinse water ready for spot-free finishes.

• Type: Mixed-bed deionized resin replacement filters


• Capacity: 2 x 4 L (2 x 1.06 gal)


• Estimated yield: Up to 330 gal / 1250 L at ~200 ppm feed water


• Quantity: 2 pcs


• Dimensions (each): 4.33 x 4.33 x 20.08 in (110 x 110 x 510 mm)


• Net weight (set): 11.90 lb (5.4 kg)