8" x 8" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Powder-Coated Actual Filter Size – 35

Actual Filter Size – 35 3/4"w x 23 3/4" x 1"

Actual Filter Size – 24 3/4"w x 29 3/4" x 1"

+ Product Description Introducing HVAC Premium's Aluminum Adjustable Return Grill – the key to enhanced air control and energy efficiency

please note that the total outer dimensions of the grille measure 14" in diameter

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

8" x 8" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Powder-Coated Actual Filter Size – 35+ Product Details Size 8" X 8" 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