16" X 16" Aluminum Insulated Fire Resistant Access Panel Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 17" Width X 17" Height] Material_Steel 875" width X 15

875" width X 15

+ Product Description Protect your thermostat with the durable and tamper-proof Beige Metal Thermostat Guard

Multi-shutter damper with handle operator to adjust air flow

+ Product Details Size – 36"w X 18"h is the size for the duct opening measurement only

Actual Dimensions: 21

16" X 16" Aluminum Insulated Fire Resistant Access Panel Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 17" Width X 17" Height] Material_Steel 875" width X 15+ 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 Strong and sturdy aluminum built to last. Design Aluminum material & color to give your space an attractive look & provide high durability corrosion protection no rust. Built in tumbler lock and key is provided Easy Access Provides easy access for HVAC, plumbing, electrical, crawlspace etc.