4'' Inch Duct Connector Flange with Backdraft Damper Plastic Straight Pipe for Heating Cooling Ventilation System (100 mm Valve)

Precise dimensions: Flange insertion diameter: 3.9 inch / 99mm, Wall plate dimensions: 5.91 x 5.91 inch / 150 x 150mm, Screw hole spacing: 5.31 inch x 5.31 inch / 135 x 135mm. White, simple and stylish // ABS Plastic rigid ducting is perfect for DIY and Trade use. Easy to install, compatible with 4 Inch tube. Connect ducting components easily with durable plastic flanges for reliable connections. Easily connected to various types of circular ventilation air ducts. Perfectly suited for ducting your Tumble Dryer, Bathroom or Kitchen extractor fan, Hydroponics, In-Line Extract Fans, or Cooker Hood We always provide you with premium equipments. Can be installed and used in any climate. The elements can be connected without glues and sealants, Weight: 0.1763698096 Pounds, Manufacturer: Repa Market