Flojet catalog # 4100-505A, Diaphragm Pump and Motor unit, 12 Volts DC, rated for up to 3.5 GPM, 45 PSI, with Polypropylene body construction, Santoprene diaphragm, and EPDM check valve. This pump does NOT have a built in pressure switch.
Price : $240.87
Other Parts :
Catalog # 20403-040, Kit Quad Dia Santoprene
Price: $ 31.43
Catalog # 20407-020, Kit Quad Vlv Chmbr Assy Vit
Price: $ 66.92