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Sentinel Drain Guard Sewage Backflow Preventer 3 in. and 4 in. Backwater Valve - Holmes Approved
Sentinel Drain Guard Sewage Backflow Preventer 3 in. and 4 in. Backwater Valve - Holmes Approved
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The Sentinel Drain Guard Sewage Backflow Preventer is a must-have for homeowners. This Holmes Approved product effectively prevents sewage backflow into your house, keeping you and your family safe from harmful bacteria. It is compatible with 3 in. and 4 in. floor drains, and comes with a fitted drain cover for even better backflow blocking.