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This cast iron wye-pattern strainer, 3/4 in WATTS® model 77SI, is designed to protect system components from dirt, rust and other damaging debris in the piping system. It is used in steam and liquid applications and it is furnished with a machined seat that allows the screen to be self-aligning to assure a perfect fit.
WATTS® 77SI Series 0220073 Strainer, 3/4 x 3/4 x 3/8 in Nominal, FNPT, #20 Mesh