Pneumatic diaphram pump by versamatic, part # e2sa 4d4 49c atex, serial # 2219099, work order # 290372, features all stainless steel wetted parts, mfg rates for up to 160 gpm with up to . 250" particle size, 2" inlet and outlet with 6" od four bolt flanged connection, maximum suction lift 30', ball check valve design, rated for 125 psi maximum air pressure, 1/2" air inlet/1" air outlet with aluminum air side housing, 94 db noise level, pump weight 115 lbs. Formerly used in skin care products manufacturing.