Quick view Add to Wishlist SandPIPER HDB3,DGN4SS. Air-Operated Diaphragm Pumps; Maximum Flow Rate (Gpm - 2 Decimals): 290.00 ; Maximum Working Pressure: 125.000 ; Thread Type: Flange ; Inlet Size: 3in ; Cubic Feet Per Minute: 200 SCFM ; Diaphragm Material: PTFE; Neoprene Air-Operated Diaphragm Pumps; Maximum Flow Rate (Gpm - 2 Decimals): 290.00 ; Maximum Working Pressure: 125.000 ; Thread Type: Flange ; Inlet Size: 3in ; Cubic Feet Per Minute: 200 SCFM ; Diaphragm Material: PTFE; Neoprene MSRP: $42,804.45 Add to Cart The item has been added Compare