Double Diaphram Pump With Telescoping Suction Tube, Ideal for dispensing gasoline, diesel fuel, and similar petroleum products, Longwearing, Double-Action piston pump for durability, Telescoping intake tube goes from 22"" to 39"", 3/4"" inlet and 3/4"" outlet delivers approx, 1 gal, per ten strokes, Has a Buna Nitrile Seal, SKU: ACPP040