T-Bar Drop Ceiling Grille - Flat Plate Plaque Difsuer - 24" x 24" - 12" Collar Grilles Designed for a 1" thick

Designed for a 1" thick filter

+ Product Details Size – 28"w X 28"h is the size for the duct opening measurement only

The integrated eight-tumbler lock system

actual front end outer dimensions are approximately 32 5/8" width X 16 5/8" height

+ Product Description Upgrade your HVAC system with our 5" Round Air Vent Supply Grille

T-Bar Drop Ceiling Grille - Flat Plate Plaque Difsuer - 24" x 24" - 12" Collar Grilles Designed for a 1" thickHeavy gauge all steel construction. Powder paint coating White One model suits both T Bar and Drywall installations Ideal for VAV systems. Matching OBD dampers, baffles and plaster frames available. These Supply Diffusers with integral round necks are recommended for heating, ventilating and cooling. Round neck to square face construction results in 360 degree air diffusion pattern similar to a full round diffuser. High diffusion induction rates