#CAPTION# #DOWNLOADTYPE# Download #DownloadDropDown# #file-path# #caption# Home / FAMCO / HVAC Accessories FAMCO - Square to Round Transition BoxDOWNLOADSSquare to Round Transition Box Model: SDB The FAMCO (SDB) transitions a square air duct to a round duct. Quality constructed in 28 gauge Galvanized Steel. Note: This is a special order product and can be made in custom sizes. (NOTE: Round side must be equal or smaller in size to the square side...Category: duct accessories | duct components | duct fittings...MasterFormat: Louvers and Vents | Vents | Metal Ducts...View Product Details From Manufacturer FAMCO649 North Ralstin StreetMeridian, ID 83642 Tel: (800) 234-1903 Fax: (208) 884-8943famco@famcomfg.com https://www.famcomfg.com Find a rep/distributor Request More Info DOWNLOADS Related Products Overview Square to Round Transition Box Model: SDB The FAMCO (SDB) transitions a square air duct to a round duct. Quality constructed in 28 gauge Galvanized Steel. Note: This is a special order product and can be made in custom sizes. (NOTE: Round side must be equal or smaller in size to the square side of the transition box).Additional Information SKU SDB UniFormat D30 FAMCO649 North Ralstin StreetMeridian, ID USA 83642 Tel: (208) 884-8931 Fax: (208) 884-8943 Tollfree: (800) 234-1903famco@famcomfg.com Website: https://www.famcomfg.com Downloads