4" Duct Connector Flange, 2pcs PP Dryer Vent Wall Plate Square to Round Straight Ducting Plate for Air Heating Cooling Ventilation Exhaust Fan, Black 8mmx24mmx8mm Total Height: 12mm/0

Total Height: 12mm/0

and box is made of flame retardant PC

Size: 30x10cm / 11

solid wires

77-inch(D*H)

4" Duct Connector Flange, 2pcs PP Dryer Vent Wall Plate Square to Round Straight Ducting Plate for Air Heating Cooling Ventilation Exhaust Fan, Black 8mmx24mmx8mm Total Height: 12mm/0The 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: 94mm 3. 7 inch Outer Diameter of Bottom Interface: 98mm 3. 86 inch Overall Dimensions: 148 x 148 x 65 mm 5. 83 x 5. 83 x 2.