8" X 4" Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall or Ceiling - Grille Register - High Airflow - Black w12h12 Actual Filter Size – 17

Actual Filter Size – 17 3/4"w x 5 3/4" x 1"

+ Product Details Size - 8"w X 8"h is the size for the duct opening measurement only

Perfect Gift for DIY Enthusiasts: A thoughtful and practical gift for anyone who loves DIY projects

Its flush design ensures durability while the dual directional airflow guarantees balanced distribution

Upgrade your HVAC system with a high-quality aluminum return grille designed for a clean

8" X 4" Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall or Ceiling - Grille Register - High Airflow - Black w12h12 Actual Filter Size – 17+ Product Details Size 8"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 875" width X 6" height. High Quality High quality steel construction, no scuff powder coat durable finish, smooth, shiny, scratch resistant, no sharp edges, 2 recessed screw holes on each side with screws included, screws same color as vent cover, easy installation. Adjustable airflow control Adjustable airflow