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Actual Filter Size – 7 3/4"w x 23 3/4" x 1"
+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 28" OR 28" x 18" duct opening (measured at the opening)
this guard ensures long-lasting protection while offering a sleek
actual front end outer dimensions are approximately 34 5/8" width X 24 5/8" height
With plain ends
Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 2 Coned - 24" x 24" - For 10" Vent Connection w36h36 Actual Filter Size – 7These 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 HVAC Premium A brand you can trust. 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. These grilles and registers give you an extra measure of quality that you can