20" X 20" Steel Access Panel Removable Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 21" Width X 21" Height] w32h32 + Product Details Size -

+ Product Details Size - 28"w X 6"h X 2"d (for duct opening measurement only)

we recommend purchasing one of our HVAC access doors

+ Product Details Size – 36"w X 26"h is the size for the duct opening measurement only

If you are looking for a top of the line unit to enhance your project look no further than HVAC Premium HVAC Premium has sold over 5

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 12" OR 12" x 28" duct opening (measured at the opening)

20" X 20" Steel Access Panel Removable Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 21" Width X 21" Height] w32h32 + Product Details Size -+ Product Details Size 20"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21" width X 21" height Installation Easy installation Small bendable ears for flexible installation just screw the sides of the access panel frame into your duct hole. Our HVAC Access Door can be used in both commercial and residential settings. Design Easy access removable door provides easy access removable door