Details
This Assure Parts flat strainer is 3 1/2" in diameter to easily fit into compatibly sized 3 1/2" sink drains and twist / lever handle waste valves. For your convenience, this strainer fits a variety of lever / twist drains from different brands, including T&S and Advance Tabaco.

Overall Dimensions:
Diameter: 3 3/8"
Height: 1/2"