The Groz Heavy Duty Double Diaphragm Fuel Transfer Pump works on 2 vane mechanism, tailored for environments where compressed air or power is not easily available such as farms, ranches, construction sites, boats etc. Crafted with a heavy-duty aluminum die-cast body featuring a stainless steel piston and a fuel-resistant hi-nitrile rubber diaphragm. It includes a 2" die-cast bung adaptor, an extra heavy-duty steel handle with a security locking latch, and a convenient wire mesh screen on the pump inlet exemplifies. Complete with a telescopic suction tube, non-return valve, 8' anti-static rubber hose, and die-cast nozzle, The Groz Heavy Duty Fuel Transfer Pump ensures unparalleled efficiency for the transfer of gasoline, diesel fuel, fuel oil, motor oil, and other light petroleum products. With a remarkable flow rate of 800 ml per stroke (1 gal. per 5 strokes), this pump sets a new standard in reliable and precise fuel transfer operations.