Features: A rubber hand pump that quickly starts siphon liquid flow. The long and thick transparent PVC hose is resistant to oil and high temperature. The built-in check valve is designed to form a circulation system, and the external clamp prevents oil leakage. High-flow hoses and large-bore ball pumps are faster at pumping, and the built-in pump allows you to siphon liquid from one container to another. Good structural design, lightweight, easy to carry, easy to use, just connect the hose and the ball pump, and then use the fitting to tighten. This manual water pump is for fuel petrol crude oil gasoline oil water and other common liquids, also can be a water changer for the fish tank at your home. Made of good material, durable, oil proof and aging resistance. Simple and effective tool for priming diesel engines on cars, motorcycles and boats. Package Includes: 1 Set Manual Siphon Pump Specifications: Material:Rubber Airbag Full Length:Approx. 23cm/9.05inch Diameter:Approx. 6cm/2.36inch Hose Diameter:Approx.1.6cm/0.62inch Style: single Style: 1.5m hose Style: 1m hose Style: 2m hose Style: 3m hose Style: 5m hose note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.