12" x 12" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover w18h18 Design – Fixed Hinged for

Design – Fixed Hinged for easy filter change & cleaning - uses a 1" thick filter

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

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+ Product Details Size – 12" x 30" or 30" x 12" is the size for the duct opening measurement only

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12" x 12" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover w18h18 Design – Fixed Hinged for+ Product Details Size 12" X 12" 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