18"w X 10"h Aluminum Privacy Door HVAC Air Grille - "V" Shaped Louvers Ensure 100% View Block - Supply or Return Round Damper Ring actual front end outer dimensions

actual front end outer dimensions are approximately 29

If your hole is 14" wide by 20" tall

Actual Filter Size – 33 3/4"w x 23 3/4" x 1"

75" width X 25

actual front end outer dimensions are approximately 42 5/8" width X 12 5/8" height -

18"w X 10"h Aluminum Privacy Door HVAC Air Grille - "V" Shaped Louvers Ensure 100% View Block - Supply or Return Round Damper Ring actual front end outer dimensions+ 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