Hicarer Round Ducting Take Off Collar Galvanized Steel Metal Pipe Reducer Air Duct Adapter Connector for Grow Tent Bathroom Kitchen Ventilation Systems(1 Pcs,4 Inch)

Features

• What You Receive: the package includes 1 piece of duct collar, which is applied for 4 inch flexible or rigid metal ducts, with an inner diameter of 4 inches, a length of 6 inches and a flange edge of 1.5 inches
• Reliable and Sturdy Material: the metal pipe collar is made of galvanized steel and pre pressed, providing sealed installation, durable and long term service for you
• Convenient Installation: the size of the air duct damper can be measured before installation, and the 1.5 inch flange can be pre drilled to ensure easy and firm installation to the wall, floor, ceiling opening or any other surface; It is a quick and simple method to connect flexible pipes or solid rigid metal plate pipes
• Practical and Useful: the flexible duct collar has a flange of 1.5 inch, and the unique crimping structure provides sufficient strength to avoid the pipeline sagging or leaking
• Widely Applied: the duct connector is very suitable for connecting pipes to walls, floors, ceiling openings, exhaust fans and series exhaust fans or any other indoor and outdoor heating and cooling pipes