14"w X 14"h Aluminum Privacy Door HVAC Air Grille - "V" Shaped Louvers Ensure 100% View Block - Supply or Return Compatible with Duct 8" + Product Details Size -

+ Product Details Size - 18"w X 14"h is the size for the duct opening measurement only

Actual Filter Size – 13 3/4"w x 23 3/4" x 1"

Easy Unrestricted Air Flow For Your HVAC System

+ Product Details Size - 4"w X 18"h is the size for the duct opening measurement only

Actual Filter Size – 15 3/4"w x 25 3/4" x 1"

14"w X 14"h Aluminum Privacy Door HVAC Air Grille - "V" Shaped Louvers Ensure 100% View Block - Supply or Return Compatible with Duct 8" + Product Details Size -+ Product Details Size 14"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are 15" Width X 15" 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