Baffle Filter, Premium Quality Framed Baffle Type Grease Filter W/Handles.Galvanized, 25" X 16" X 2"Safe, Dependable, Positive Flame Barrier Protection.Seamless, Smooth Surfaces Permit Constant Grease Run-OffInto Hood Collection Troughs Easily Cleaned By Soaking OrSpraying, Or In Conventional Dishwasher.Ul & Mea Approved.First Two Numbers Of Size Indicate Vertical Height. SecondTwo Numbers Represent Horizontal Width, Both Are NominalDimentions.Actual Size Of Filters Are 7/16" Less Than Nominal. Actual Thickness Is 1-3/4".