24" x 24" Drop Ceiling HVAC Return Grille - For T-Bar Lay-In - PERFORATED - INSULATED flat stamped steel actual front end outer dimensions

actual front end outer dimensions are approximately 38 5/8" width X 20 5/8" height -

actual front end outer dimensions are approximately 34 5/8" width X 14 5/8" height

The first number in a grille size

875" height

+ Product Details Size - 16"w X 16"h is the size for the duct opening measurement only

24" x 24" Drop Ceiling HVAC Return Grille - For T-Bar Lay-In - PERFORATED - INSULATED flat stamped steel actual front end outer dimensionsPowder Coat Finish Smooth, Shiny, Scratch Resistant, Beautiful. Looks Like It Was Just Waxed Quality Packaging Carefully Shrink Wrapped with Cardboard Backing to Prevent Damage in Shipment Smooth Surface Edges Run Your Fingers Across The Surface To Feel The Smoothness Easy Unrestricted Air Flow For Your HVAC System Pack of 4 Pieces Perforated steel grille for return air flow, sized to fit into all drop ceiling system, also referred to as T Bar or Lay