10" X 10" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall / Ceiling Flush Application With Slotted Lock - [Outer Dimensions: 11" Width X 11" Height] w16h16 + Product Details Size & 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size & Compatibility – The size of sheet metal pipe is 5" round x 24" long

Perfect for both residential and commercial use

actual front end outer dimensions are approximately 27 5/8" width X 24 5/8" height

+ Product Details Size – 20"w X 28"h is the size for the duct opening measurement only

Priming the Pump: If required

10" X 10" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall Ceiling Flush Application With Slotted Lock [Outer Dimensions: 11" Width X 11" Height] w16h16 + Product Details Size & 4 X 12 Is CRFG2028 Width_14in + Product Details Size & Compatibility – The size of sheet metal pipe is 5" round x 24" long Perfect for both residential and commercial use