Everbilt 1-1/4 to 1-1/2 in. ABS In-Line Sump Pump Check Valve
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For sump pump applications the THD1020 can be used with any 1.25 in. or 1.5 in. sump pump. The THD1020 features 1.25 in. or 1.5 in. combination rubber adapters and the industry's most durable check valve flapper. This is the world's most reliable sump pump check valve.