T-Bar Drop Ceiling Lay In perforated diffuser is designed for 360° high volume air supply or return for commercial or large areas. It comes with molded R6 insulation with vapor barrier. It does not have a collar and needs a start or tab collar to connect the diffuser to the duct. The collar can be from 4 in. to 14 in. Dia.
T-Bar Drop Ceiling Lay In perforated diffuser is designed for 360° high volume air supply or return for commercial or large areas. It comes with
24 in x 24 in Perforated Grille with R6 insulation for T-Bar, Lay In, Drop Ceiling
24 x 24 T-Bar Drop Ceiling Perforated Return Grill - Metal Back Casing - with 8 Collar
Venti Air 24 in. x 24 in. T-Bar Drop Ceiling Lay-In Supply Diffuser with Round 8 in. Collar/Neck and R6 Insulation HT3D08I - The Home Depot
Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - HVAC Premium
24 x 24 T-Bar Drop Ceiling Perforated Return Grill - Metal Back Casing - with 8 Collar
24 x 24 T-Bar Drop Ceiling Perforated Return Grill - - HVAC Premium
Venti Air Products
Venti Air 24 in. x 24 in. T-Bar Drop Ceiling Lay-In Supply Diffuser with Round 10 in Collar/Neck and R6 Insulation HT3D10I - The Home Depot
24 x 24 T-Bar Drop Ceiling Perforated Return Grill - Metal Back Casing - with 8 Collar
Powder-Coat Finish - Smooth, Shiny, Scratch-Resistant, Beautiful. Looks Like It Was Just Waxed Quality Packaging - Carefully Shrink Wrapped with
24 x 24 T-Bar Drop Ceiling Perforated Return Grill - Metal Back Casing - with 8 Collar
Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 3 Coned - 24 x 24 - For 12 Vent Connection
Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - HVAC Premium
24 x 24 T-Bar Drop Ceiling Perforated Return Grill - - HVAC Premium
Venti Air 24 in. x 24 in. T-Bar Drop Ceiling Lay-In Supply Diffuser with Round 12 in. Collar/Neck and R6 Insulation HT3D12I - The Home Depot