16" X 16" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 17" Width X 17" Height] white the edges are perfect for

the edges are perfect for mud and flange installation once the sheet rock is securely in place

With plain ends

Experience enhanced indoor comfort with our 8" Radial Damper

Traditional HVAC systems were designed for cold air

Actual Filter Size – 13 3/4"w x 33 3/4" x 1"

16" X 16" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 17" Width X 17" Height] white the edges are perfect for+ Product Details Size 16" X 16" is the size for the drywall opening measurement only, actual front end outer dimensions are 17" Width X 17" 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.