These polyethylene cans are for use on shelves or in tilt stands. They have self-closing faucets for controlled dispensing of hazardous liquids. Fill spouts have self-closing pressure relief caps with built-in vacuum breakers and double mesh flame arresters. The faucet on shelf cans is mounted 2'' above the bottom; tilt cans have the faucet on top. Tilt cans are used with a sturdy metal cradle.