End Register Duct Boots - 12" X 6" X 5" Round End Center is Compatible with Duct 5" Drop Ceilings / Lay-In + Product Details Size - actual front end outer LO246 Powder Coated

+ Product Details Size - 10"w X 14"h X 2"d (for duct opening measurement only)

+ Product Details Size – 24"w X 10"h is the size for the duct opening measurement only

+ Product Details High Quality - Aluminum housing on the outside and on the inside for the best insulation value

Say goodbye to pest-related worries as the built-in back 1/2" mesh acts as a barrier against unwanted rodents like mice

R6 Fiberglass Back Plenum accepts 6" to 18" Round Spin-in Collars or Start Collars (not included) - Accepts 1" disposable filter (not included) - Recommended Size: 20x20x1

End Register Duct Boots 12" X 6" X 5" Round End Center is Compatible with Duct 5" Drop Ceilings Lay In + Product Details Size actual front end outer LO246 Powder Coated + Product Details Size 10"w X 14"h X 2"d (for duct opening measurement only) + Product Details Size – 24"w X 10"h is the size for the duct opening measurement only