Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 3 Coned - 24" x 24" - For 8" Vent Connection w16h16 Universal Fit – Measures 3-7/8"

Universal Fit – Measures 3-7/8" wide x 3-1/2" high x 3" deep

Actual Filter Size – 7 3/4"w x 9 3/4" x 1"

+ Product Details Size – 18"w X 10"h is the size for the duct opening measurement only

Actual Filter Size – 35 3/4"w x 31 3/4" x 1"

Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 3 Coned - 24" x 24" - For 8" Vent Connection w16h16 Universal Fit – Measures 3-7/8"+ Product Details Size 24"w X 24"h is the drop ceiling HVAC supply grille size for T Bar lay in. Airflow Easy unrestricted airflow for your HVAC system. Installation Location Ceiling. Design These are specially sized to fit into all drop ceilings, 24"x 24", also called T Bar systems. Can be hooked up with our Butterfly Dampersfor precise airflow control. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was just waxed.