Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 2 Coned - 24" x 24" - For 14" Vent Connection - Black Grilles very easy to do

very easy to do

+ Product Details Size - 26"w X 22"h is the size for the duct opening measurement only

Vertical blades in the back

actual front end outer dimensions are approximately 36 5/8" width X 34 5/8" height

With a 6" diameter for the duct opening measurement

Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 2 Coned - 24" x 24" - For 14" Vent Connection - Black Grilles very easy to doDrop Ceiling HVAC Supply Grille For T Bar Lay In 2 Coned 24" x 24" For 6" Vent Connection Black These are specially sized to fit into all drop ceiling's, 24"x 24", also called T Bar systems. Can be hooked up with our "Butterfly Dampers" for precise airflow control Why HVAC Premium? You may think of grilles and registers as a generic component of the ventilation system in your house. But they are also the most visible representation of you air system.