Manual NOMINAL SPECIFICATIONSNominal Diameter 380 mm (15 in)Overall Diameter 393 mm (15.47 in)Bolt Circle Diameter 374 mm (14.72 in)Baffle Cutout Diameter 354 mm (13.94 in)Depth 194.3 mm (7.65 in)Flange and Gasket Thickness 13.7 mm (0.54 in)Net Weight 5.9 kg (13.0 lb)Shipping Box(Single Carton ..