Ideal for draining a drum to change the water, or filling up other containers from the drum, like 5 gal. pails, etc. Fits 55 gal. or 30 gal. drum. Threads into bung hole on top. Self-venting. Leakproof shaft seal. Simple operation; pump to start flow. Easily control siphon action with air vent in handle. Includes flexible poly discharge hose and adapter. Maximum flow is 7 gallons per minute. FDA approved. Imported.