Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 3 Coned - 24" x 24" - For 8" Vent Connection - Black 10in diameter and durable finish that resists

and durable finish that resists scratches and maintains a clean

Actual Filter Size – 21 3/4"w x 13 3/4" x 1"

Actual Filter Size – 11 3/4"w x 21 3/4" x 1"

The 1/2" black insulation

actual front end outer dimensions are 7

Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 3 Coned - 24" x 24" - For 8" Vent Connection - Black 10in diameter and durable finish that resistsEasy Unrestricted Air Flow For Your HVAC System See our separate listing for Butterfly Dmaper to Control Airflow Optional Butterfly Damper Available At Asin: B007CNEL1W For 8" Round Duct Opening Spiral or Flex Q: Why BLACK? A: Black Grilles Always Look Sharp And Never Show DIrt & Dust Marks Drop Ceiling HVAC Supply Grille For T Bar Lay In 3 Coned 24" x 24" For 8" Vent Connection Black These are specially sized to fit into all drop ceilings, 24"x 24",