Tub Shoe Gasket, Non CEC Compliant, Finish Unfinished, For Use With Bathtubs, Rubber, Eastman, 1/4 in, 5/8 in Gaskets and washers help keep mated components at their designed spacing and position from one another. Gaskets and washers become worn and brittle over time allowing leaks to develop behind the shower walls causing damage.Bathtub and shower adapters, fasteners, and seals replace old and worn components in the connection between the faucet handles, cartridges, and valves. These repair parts are designed for specific valve types and are typically not interchangeable between different plumbing brands and manufacturers.