- Brand: Southwark Metal Mfg.Angle: 45 DegreeApplicable Standard: ACCA, SMACNAFrame Size: 26 Inch x 12 InchItem: Duct AngleItem Type: Shortway, Vertical, Square ThroatMaterial: Hot Dip Galvanized SteelSize A: 26 Inch x 12 InchSize B: 26 Inch x 12 Inch