TERA PUMP 5PK TRDP14 Siphon Manual Hand Liquid Transfer Pump 3 GPM Manual Siphon Pump | Hand Operated Siphon Action Applicable Liquids: Kerosene, Light Oils, Diesel Oils, Chemical Insecticides, toluene, light solvents, gasoline, water etc NOT FOR USE WITH DRINKING WATER Has a screw top to release siphon vacuum and stop suctioning Total Length: 21" | Suction tube Inner Diameter: 0.55" | Discharge Tube Inner Dia: 0.47" Portable, Light weight and Heavy-duty material Easily emply containers without a mess Useful in the garage, basement, bathroom, shop or theyard Insert suction pipe (non-flexible) into the sending container Insert discharge hose (flexible) into the receiveing container or fuel tank (kerosene heater). Tighten the air vent cap byturning clockwise to close vent. <span class="a-text-bold">Squeeze operation bulb a few times to start siphon action.</span> Auctomatic siphon action will continue as long as fluid level in sending container is higher thank the level in the container that fluid is being transferred into. Before receiveing container is completely full, <span class="a-text-bold">stop fluid flow byturning air vent cap counter clockwise.</span> Gently lift discharge hose slightly to allow any remaining fuel to drain. Remove suction pipe from sending container. Insert discharge hose end tinto hose clamp to prevent fluid from dripping. Clean up any spilled fluids and dispose of cleaning materials outside the living area. Store siphon pump outdoors