Come to Grainger for bell traps and drains to help you get your plumbing jobs done safely and efficiently. Traps allow water to pass through a drain while helping to prevent sewer gas from entering the building. Drain grates or strainers let overflows empty out of a building and prevent debris from entering and plugging up the sewer lines. Roof drain domes help prevent clogs that can result in water damage to a building's structure. Shop Grainger first for plumbing and bell traps and drains that can help you efficiently keep water from pooling and causing damage.