Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 2 Coned - 24" x 24" - For 10" Vent Connection - Black Aluminum + Product Details Size -

+ Product Details Size - 30"w X 8"h Is The Size For The Duct Opening Measurement Only

+ Product Details Universal Fit - Accommodates almost any thermostat with dimensions of 8-1/4" H x 5-3/8" W x 3-1/2" D

Actual Filter Size – 27 3/4"w x 15 3/4" x 1"

75" Width X 25

actual front end outer dimensions are approximately 20 5/8" width X 36 5/8" height

Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 2 Coned - 24" x 24" - For 10" Vent Connection - Black Aluminum + Product Details Size -Drop 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 cielings, 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.