ANSUL Foam Hardware ( Proportioner, 2 1/2 in., Threaded, 6% AFFF Alcohol Resistant Conc. ) Part Number : 71903 Material : Proportioner, 2 1/2 in., Threaded, 6% AFFF Alcohol Resistant Conc. Thread Size/Type: ………….. Weight (lbs): 8 Part Description: …………..