TDC Flange Corner for Air Duct
1. Size: 20, 25, 30, 40mm
2. Material: Galvanized Steel
3. Thickness: 2.0, 2.5, 3.0, 3.5, 5.0mm
4. A few styles and sizes of the flange corner
5. Send me enquiry after I have your email address, I will send our website to you

Flange system is established throughout high quality duct proprietary.
Flange for rectangular ducting. It is available in three sizes 20/30/40 to suit any ductwork connection, large or small.

Foshan Nanhai Hongrui Hardware Manufacturer is a professional manufacturer to produce air diffuser, air outlet, air grille, air damper, duct corner, quadrant damper and other accessories.