High-Flow Grid Lavatory Drain without Overflow Holes - Exposed • Rapid draining raised grid strainer lavatory sink drain • Without overflow holes • Fits 1-1/2 in. opening with 1-1/4 in. tailpiece • Fully finished for exposed installations • Fits sinks up to 3 in. thick • Raised dome grid with raindrop-shaped holes increases water drainage speed • Brass construction • Do not use plumber"s putty for installation