ANSUL Foam Hardware ( Proportioner, 4 in., Between Flange, 3% AFFF (AFC-3A, AFC-3B) ) Part Number : 69351 Material : Proportioner, 4 in., Between Flange, 3% AFFF (AFC-3A, AFC-3B) Thread Size/Type: ………….. Weight (lbs): 20 Part Description: …………..