24"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 5.25"H] mobile home rv Measure the size of the

Measure the size of the vent opening

actual front end outer dimensions are approximately 16 5/8" width X 20 5/8" height

+ Product Details Size – 30"w X 10"h pleated MERV 8 filter for HVAC return filter grille - 3 Pack

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 30" or 30" x 12" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 8" OR 8" x 32" duct opening (measured at the opening)

24"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 5.25"H] mobile home rv Measure the size of the+ Product Details Size 24"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 25. 25" Width X 5. 25" Height. Design Designed for concealed, flush placement on your wall with a 3 8 inch space between louvers, this linear grille comes with an installation frame and clips for easy hook in assembly, ensuring a refined and seamless look. High Quality Aluminum The premium durable aluminum will never rust and it will never