The Crown Products Co Inc 667PCH5 Square to Round Adaptors, Duct Adapter. This product is designed to provide a secure connection between square and round ducts. It is made of galvanized steel with a 26 gauge thickness. The dimensions are 14 1/8" X 14" with a 13 7/8" collar and 24 1/8" X 14 1/8" with a 17 7/8" collar.
- Square to Round
- 13.875 in Dia
- 14 in HT
- 14.125 in WD Supply Air
- 17.875 in Dia, 14.125 WD, 24.125 in HT Return Air