ANSUL Foam Hardware ( Proportioner, 2 1/2 in., Threaded, 3% AR-AFFF (A364, 3X3 LV) ) Part Number : 71900 Material : Proportioner, 2 1/2 in., Threaded, 3% AR-AFFF (A364, 3X3 LV) Thread Size/Type: ………….. Weight (lbs): 8 Part Description: …………..