ANSUL Foam Hardware ( Line Proportioner, Brass, PL-120 (120 gpm), 3% Conc. Orifice ) Part Number : 75674 Material : Line Proportioner, Brass, PL-120 (120 gpm), 3% Conc. Orifice Thread Size/Type: ………….. Weight (lbs): 15 Part Description: …………..