Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 3 Coned - 24" x 24" - For 10" Vent Connection with filter It features an eight-tumbler lock

It features an eight-tumbler lock with a supplied key for secure access

+ Product Details Size – 22"w X 29"h is the size for the duct opening measurement only

Actual Filter Size – 35 3/4"w x 21 3/4" x 1"

Design – These are specially sized to fit into all drop ceilings

actual front end outer dimensions are approximately 12 5/8" width X 26 5/8" height

Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 3 Coned - 24" x 24" - For 10" Vent Connection with filter It features an eight-tumbler lock+ 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 10" 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