24"w X 12"h Aluminum Privacy Door HVAC Air Grille - "V" Shaped Louvers Ensure 100% View Block - Supply or Return w16h16 And is classified as Class

And is classified as Class 1 Fire Proof - B1

+ Product Details Size - 16"w X 8"h is the size for the duct opening measurement only

Actual Filter Size – 21 3/4"w x 5 3/4" x 1"

+ Product Details Size - 20"w X 12"h is the size for the duct opening measurement only

+ Product Details Size – 8"w X 34"h is the size for the duct opening measurement only

24"w X 12"h Aluminum Privacy Door HVAC Air Grille - "V" Shaped Louvers Ensure 100% View Block - Supply or Return w16h16 And is classified as Class+ Product Details Size 24"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are 25" Width X 13" 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