Feature●Our portable deionized water system accessories include 6 "*17" fiberglass water tanks. 5L of premium mixed bed resin, which provides approximately 520 gallons of mineral-free and deionized water, can be replaced by purchasing one of our alternative resin packs. 3/4NPT external thread to NH3/4 external thread *1, 3/4NPT external thread to NH3/4 internal thread *1 3/4 American quick connection *1 set, black Velcro ring handle, easy to install and move.●The kit will also receive an additional DI resin replacement kit (5L) for the deionized water car wash system.●When you receive our car wash system, you will need to pour 5L of resin into the tank, install the parts in the tank, connect to the garden tap, and then you are ready to start cleaning.●Note: Our car wash system is only used for the final step of the car wash, and please ensure that all accessories are securely connected and the tank is tightened. Otherwise, it may lead to incomplete filtration and short service life.●Filterelated is specialized in water purification. If you have any questions, please feel free to contact Filterelated.Description Includes a blue 617 deionized water car wash system +5L replacement resin package.