10" x 10" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover 2-Way Deflection Actual Filter Size – 21

Actual Filter Size – 21 3/4"w x 25 3/4" x 1"

With Insect Net That Will Prevent Mousquitos and Insects From Entering

+ Product Details Size - 28"w X 10"h is the size for the duct opening measurement only

+ Product Details Size - 34"w X 18"h is the size for the duct opening measurement only

+ Product Details Size – 15" Corner Baseboard Grille - White - HVAC corner vent cover

10" x 10" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover 2-Way Deflection Actual Filter Size – 21+ Product Details Size 10" X 10" 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