20"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 21.75"w x 27.75"h] Color_Red Oak Wood + Product Spec Sheet Extruded

+ Product Spec Sheet Extruded Aluminum Ceiling Diffuser Spec Sheet

this register is available in 2-way

Actual Filter Size – 17 3/4"w x 23 3/4" x 1"

High Quality – High-quality aluminum with counter-sunk screw holes (screws included) and no sharp edges

Actual Filter Size – 27 3/4"w x 15 3/4" x 1"

20"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 21.75"w x 27.75"h] Color_Red Oak Wood + Product Spec Sheet Extruded+ Product Details Size 20"w X 26"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 21. 75" Width X 27. 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