ANSUL Foam Hardware ( High Back-Pressure Foam Maker, HBPFM-550, Fixed 550 gpm (Call for Pricing) ) Part Number : 71290 Material : High Back-Pressure Foam Maker, HBPFM-550, Fixed 550 gpm (Call for Pricing) Thread Size/Type: ………….. Weight (lbs): 38 Part Description: …………..