Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 3 Coned - 24" x 24" - For 14" Vent Connection 8" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 18 5/8" height

High Quality – High-quality aluminum with counter-sunk screw holes (screws included) and no sharp edges

Actual Filter Size – 24 3/4"w x 23 3/4" x 1"

but still light and handy

1/2" White insulation will give you a good R value of 3

Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 3 Coned - 24" x 24" - For 14" Vent Connection 8" Round Duct Pipe actual front end outer dimensions+ Product Details Size 24"w X 24"h. 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 Dampers" for precise airflow control. For 14" Round Duct Opening Spiral or Flex High Quality No sharp surface edges. Just run your finger along the edge of the top plate and youll find a smooth finished surface. Installation Location Ceiling. Design Easy unrestricted air flow for your