6" x 6" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover return filter Carefully packaged to prevent damage

Carefully packaged to prevent damage during shipment

Rigid Built For External Use– The sturdy and rigid design features noise free components that eliminates vibration and excess noise to the louvers

+ Product Details Size – 8"w X 18"h is the size for the duct opening measurement only

It features an eight-tumbler lock with a supplied key for secure access

+ Product Details Size - 10"w X 34"h is the size for the duct opening measurement only

6" x 6" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover return filter Carefully packaged to prevent damage+ 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