24" X 24" Steel Access Panel Removable Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 25" Width X 25" Height] Brown and sound level range of

and sound level range of NC 25 to 35

+ Product Details Size - 28"w X 8"h is the size for the duct opening measurement only

Design – Circular return valves - designed to be used in low and medium pressure ventilation air conditioning systems

Multi-shutter damper with handle operator to adjust air flow

+ Product Details Size - 34"w X 14"h is the size for the duct opening measurement only

24" X 24" Steel Access Panel Removable Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 25" Width X 25" Height] Brown and sound level range of+ Product Details Size 24"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25" width X 25" height Installation Easy installation just screw the sides of the access panel frame into your duct hole see photos for example. Our HVAC Access Door can be used in both commercial and residential settings. Design Easy access removable door provides easy access removable door for HVAC, plumbing,