10" Duct Connector Flange, PP Dryer Vent Wall Plate Square to Round Straight Ducting Plate for Air Heating Cooling Ventilation Exhaust Fan, Black 14 As a common building material

As a common building material

Only need to put the wire into the round hole

Fitment:for Audi Q7 2006-2016

Radiator Size: 105*25mm /4

for Chevrolet Silverado 1500 Classic  2007

10" Duct Connector Flange, PP Dryer Vent Wall Plate Square to Round Straight Ducting Plate for Air Heating Cooling Ventilation Exhaust Fan, Black 14 As a common building materialThe duct connector flange is mainly used to connect the duct hose (not included) to an output port through a bolted connection. Widely used on the home, kitchen, bathroom, garage, and office. Suitable for this area which needs a ventilation system. Specification Color: Black Material: PP Plastic Outer Diameter of Top Interface: 242mm 9. 53 inch Outer Diameter of Bottom Interface: 246mm 9. 69 inch Overall Dimensions: 290 x 290 x 85 mm 11. 42 x 11. 42 x