6" x 6" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Grille Actual Filter Size – 7

Actual Filter Size – 7 3/4"w x 35 3/4" x 1"

transparent design and durable construction

Actual Filter Size – 13 3/4"w x 19 3/4" x 1"

Upgrade your air distribution strategy today – invest in the efficiency and convenience of the 6" Butterfly Damper

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

6" x 6" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Grille Actual Filter Size – 7+ Product Details Size 6" X 6" is the size for the duct opening measurement only, actual front end outer dimensions are 3". Design Equipped with lever for full airflow control; back blades made of black plastic for reduced air noise and discreet appearance; "Opposing" back blades, ensuring they don't overlap, provide precise damper control and superior air dispersion. High Quality Aluminum The premium durable aluminum will never rust and it will never