The Grid Strainer Drain with Less Overflow Holes starting with good old-fashioned craftsmanship featuring solid brass construction, we add state of the art 1/4 turn ceramic disc valves with lifetime warranties, the world’s largest offering of decorative PVD finishes and quality controls that meet or exceed government codes, including national and local lead-free and water conservation standards. Completely polished and finished With less overflow holes Fits 1 1/2" opening 1 1/4" OD x 7 1/2" tailpiece Maximum installation thickness is 2 3/4" Strainer has large openings for quicker draining Codes/Standards Applicable ASME A112.18.2-2005/CSA B125.2-05