16"w X 16"h Aluminum Privacy Door HVAC Air Grille - "V" Shaped Louvers Ensure 100% View Block - Supply or Return White But they are also the

But they are also the most visible representation of you air system

+ Product Details Size – 25"w X 25"h is the size for the duct opening measurement only

+ Product Details Size – 25"w X 32"h is the size for the duct opening measurement only

These are airflow control components made to connect to supply grilles of the drop ceiling

16"w X 16"h Aluminum Privacy Door HVAC Air Grille - "V" Shaped Louvers Ensure 100% View Block - Supply or Return White But they are also the+ Product Details Size 16"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are 17" Width X 17" Height Design special "V" shaped louvers ensure 100% view block while ensuring easy un restricted air flow Installation Location Wall or door mount door thickness up to 32mm anodised finish smooth & beautiful High Quality Aluminum The premium durable aluminum will never rust and it will never wear through leaving