ANSUL Foam Hardware ( Bladder Tank, 25 gallon, Vertical, 2 in. Proportioner and Hydraulic Concentrate Valve ) Part Number : 444105 Material : Bladder Tank, 25 gallon, Vertical, 2 in. Proportioner and Hydraulic Concentrate Valve Thread Size/Type: ………….. Weight (lbs): 0 Part Description: …………..