The Lumax Diaphragm Fuel Transfer Pump, No. LX-1342, is a heavy duty, durable, double acting diaphragm pump that is designed for dispensing anti-freeze, diesel, fluid oil, jet fuels, transmission fluid and similar petroleum based products of light to medium viscosity. The heavy duty steel handle has a security locking latch and dispenses 1 gallon of fluid in five strokes, according to the company. The pump inlet has an easy clean mesh screen.