40"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 41.25"W x 7.25"H] Insulated Flexible Ducts R-6.0 this versatile access door can

this versatile access door can be installed in various locations throughout your space

+ Product Details Size – 16"w X 25"h pleated MERV 2 filter for HVAC return filter grille - 12 Pack

actual front end outer dimensions are approximately 18 5/8" width X 26 5/8" height -

Applications – The galvanized steel rounds take-off duct is used to cut into a plenum or rectangular duct to begin a trunk line or branch-like runs

40"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 41.25"W x 7.25"H] Insulated Flexible Ducts R-6.0 this versatile access door can+ Product Details Size 40"W X 6"H is (for duct opening measurement only); actual front end outer dimensions are 41. 25" Width X 7. 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