4 Inch Duct Connector Flange, Metal Straight Pipe Flange Square to Round Interface Air Duct for Ventilation,Cooling, Heating and Air Conditioning Systems,whit Adjustable Hose Clamp

4 Inch Duct Connector Flange Material: galvanized Color: silver Outer Diameter of Top Interface: 9.5cm /3.8 inch; Overall Dimensions: 13.4 x 13.4 x 6 cm / 5.3 x 5.3 x 2.4 inch (L*W*H); Adjacent Mounting Holes Distance: 8cm / 3.2 inch;   Package Includes 1 x 4 Inch Duct Connector Flange.  NOTE:  Please pay attention to selecting the appropriate connection diameter before placing an order.

• 4 inch Duct Connector Flange,Simple design, easy to install.
• The Duct Connector Flange is made of well quality galvanized material, is smooth ,which is anti-corrosion, cold-resistant,and durable.
• Easy to use, The round interface air duct connector base has screw mounting holes, no drilling is required, and it is directly fixed on the wall with screws，for ideal connection to your ventilation system.
• Connect ducting components easily with durable flanges for reliable connections. Easily connected to 4 inch Square ventilation air ducts.
• Our duct connector comes are widely used for air ventilation systems in home, kitchen, bathroom, garage and factory etc， which is also can connect air ducts and the ventilation system. It applied to the 4 inch Square .