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 Actual Filter Size – 27

Actual Filter Size – 27 3/4"w x 19 3/4" x 1"

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

Traditional HVAC systems were designed for cold air

+ Product Details Size – 12" x 26" or 26" x 12" is the size for the duct opening measurement only

Perfect for sidewall or ceiling installation

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 Actual Filter Size – 27+ 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.