Wall Collar For Fan Dia 36 In Height 40 1/8 In Width 40 1/8 In Depth 21 1/2 In. 18 Gauge Galvanized Steel Construction Provides Ease of Installation When Mounting Exhaust or Supply Fans Vertically
Wall Collar For Fan Dia 36 In Height 40 1/8 In Width 40 1/8 In Depth 21 1/2 In. 18 Gauge Galvanized Steel Construction Provides Ease of Installation When Mounting Exhaust or Supply Fans Vertically