18"w X 10"h Aluminum Privacy Door HVAC Air Grille - "V" Shaped Louvers Ensure 100% View Block - Supply or Return w8h8 + Product Details Size –

+ Product Details Size – 14"w X 20"h is the size for the duct opening measurement only

By simply measuring the width or the length of the vent

+ Product Details Size - 36"w X 12"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 38 5/8" width X 20 5/8" height -

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

18"w X 10"h Aluminum Privacy Door HVAC Air Grille - "V" Shaped Louvers Ensure 100% View Block - Supply or Return w8h8 + Product Details Size –+ Product Details Size 18"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are 19" Width X 11" 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