1 1/4 In. or 1 1/2 In. sump pump check valve use to prevent pumped water from flowing back into basin. Rubber construction is corrosion resistant providing long life. 1 1/4 In. NPT in-let, with 1 1/4 In. or 1 1/2 In. slip fit outlet connection. Check valve designed for easy installation. Flotec Rubber Inline Check Valve * Installs as 1-1/4 In. or 1-1/2 In. check valve * Rubber corrosion resistant material * Rubber flapper design prevents water from entering back into basin Specifications * Assembled Depth (in.) : 2.5 in * Assembled Height (in.) : 5.25 in * Assembled Width (in.) : 2.5 in * Color/Finish : black * Corrosion Resistant : Yes * Energy Star Compliant : No * Horsepower (hp) : 0 hp * Item Package Type : Cardboard Container * Item Weight : .2 lb * Manufacturer Warranty : 90 Days * Product Depth (in.) : 2.25 * Product Weight (lb.) : .3