PVC Invisible Flange (JOINT PROFILE)
Invisible Flange PVC is used for the fabrication of pre-insulated air duct panels.
The standard length of the flange is 4mtr/piece, and any other shorter length can be custom-made. Similarly, the width we can supply is 20 / 30 mm.
Easy installation & maintenance
Proven physiological harmlessness
Universal use
Very good chemical and corrosion resistance




