18"w X 18"h Aluminum Privacy Door HVAC Air Grille - "V" Shaped Louvers Ensure 100% View Block - Supply or Return w25h25 + Product Details Size -

+ Product Details Size - 12"w X 14"h is the size for the duct opening measurement only

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Powder-Coat Finish – smooth

Actual Filter Size – 33 3/4"w x 5 3/4" x 1"

actual front end outer dimensions are approximately 20 5/8" width X 14 5/8" height

18"w X 18"h Aluminum Privacy Door HVAC Air Grille - "V" Shaped Louvers Ensure 100% View Block - Supply or Return w25h25 + Product Details Size -+ Product Details Size 18"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are 19" Width X 19" 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