TERA PUMP Manual Siphon Liquid Transfer Tube Drum Barrel Pump Drinking water safe, Siphon pump made of food grade quality Designed for quick and easy emptying of 15, 30, and 55 gallon drum barrels Includes a 2 inch NPS bung adapter, Suction tube is cut at a angle to lay flat against the bottom of the Barrel Siphons to a lower lever or pumps to higher level, Siphoning is controlled by the air vent on top Quick siphoning, Drains up to 1 Pint per 3 Strokes (Delivery Volume: 21 liters/min) Designed for quick and easy emptying of <span class="a-text-bold"><span class="a-text-italic">15, 30, and 55 gallon drums</span></span> Includes a standard <span class="a-text-bold"><span class="a-text-italic">2 inch NPS bung adapter.</span></span> Siphon to a lower level or pumps to higher level. <span class="a-text-bold"><span class="a-text-italic">(uses gravity to siphon)</span></span> Siphoning is controlled by <span class="a-text-bold"><span class="a-text-italic">air vent </span>on top<span class="a-text-italic"> (increase or decrease siphoning speed by adjusting air vent)</span></span> <span class="a-text-bold"><span class="a-text-italic">Suction tube </span></span>can be cut at an angle to lay flat against the bottom for easier transferring. Inserct suction tube into suply container and screw down threaqded <span class="a-text-bold"><span class="a-text-italic">bung adapter</span></span>. Position <span class="a-text-bold"><span class="a-text-italic">discharge hose</span></span> into receiveing container <span class="a-text-italic">(ex. Drum Barrel)<span class="a-text-bold">For siphoning, be sure level of supply continaer is higher than theat of receiving container. (Siphon uses gravity to work)</span></span> <span class="a-text-bold"><span class="a-text-italic">Grasp top handle and pump up and down.</span></span>When discharge hose is completely full, you may cease pumping to allow siphoning action. Siphoning will slow down and then cease as supply lowers and reciever rises. <span class="a-text-bold"><span class="a-text-italic">To stop the flow at nay time, unscrew cap on the top of the handle counterclockwise. </span></span>When finished, close cap before next use.