24" X 24" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 25" Width X 25" Height] Return this flex duct decreases the

this flex duct decreases the pressure loss and provides a more hygienic environment

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 36" OR 36" x 20" duct opening (measured at the opening)

+ Product Description If you are looking for a good quality Galvanized Steel Duct to enhance your project look no further than HVAC Premium

+ Product Details Size - 12"w X 22"h X 2"d (for duct opening measurement only)

ensuring a clean and smooth appearance in any environment

24" X 24" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 25" Width X 25" Height] Return this flex duct decreases the+ Product Details Size 24" X 24" is the size for the drywall opening measurement only, actual front end outer dimensions are 25" Width X 25" Height High Quality High grade steel construction. Design 1mm galvanized steel material with sleek, shiny, durable white powder coat finish for an attractive look & high durability corrosion protection 15mm medium density fibreboard with felt cover and rubber sealing between the door and frame for tight security.