8" X 8" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 9" Width X 9" Height] To enable screen reader support + Product Details Size –

+ Product Details Size – 16"w X 28"h is the size for the duct opening measurement only

+ Product Details Size - 25"w X 16"h is the size for the duct opening measurement only

+ Product Details Size - 40"w X 20"h is the size for the duct opening measurement only

installation is a breeze

+ Product Details Outer dimensions: 11

8" X 8" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 9" Width X 9" Height] To enable screen reader support + Product Details Size –+ Product Details Size 8" X 8" is the size for the drywall opening measurement only, actual front end outer dimensions are 9" Width X 9" 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.