This system is perfect for the large volume detailer or for any manufacturing process. The large 6 ¾" in diameter by 48" tall tank holds approximately one cubic foot of high grade virgin mixed bed resin. The system needs floor space of only 10" by 10". The single tank business unit is easy to mount in an enclosed van or leave it in the garage to fill your holding tanks or wash your vehicles. Unit comes complete with the deionizer, 4' high pressure hose, hand-held TDS meter, shut-off valve, and a cap/plug for the inlet/outlet.