22"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 37.75"h] Compatible With Duct 6in For 6" Round Duct Opening

For 6" Round Duct Opening - Spiral or Flex

Actual Filter Size – 35 3/4"w x 33 3/4" x 1"

75" width X 3

actual front end outer dimensions are approximately 27 5/8" width X 28 5/8" height

actual front end outer dimensions are approximately 26 5/8" width X 12 5/8" height -

22"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 37.75"h] Compatible With Duct 6in For 6" Round Duct Opening+ Product Details Size 22"w X 36"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 23. 75" Width X 37. 75" Height Weather and Pest Proof These louvers are especially designed to prevent water from entering your home, and with a built in back 1 2" mesh they also protect you from annoying rodents like mice, rats, birds, and squirrels High Quality Aluminum The premium durable aluminum will never rust and it will never