Seven Star flexible ducts made of 2ply/3ply/4ply multi - layered Aluminum Polyester, Metalised Polyester, etc. foils bonded together by quality adhesive and reinforced with high carbon corrosion-proof spring wire. Seven Star Flexible ducts are non-flammable and more efficient. Materials used are compliant to AWTA Fire Standards.
- Available in various I.D. ranging from 100 mm to 500 mm (4" to 20")
- Supplied in Standard length of 10 meters each
- Available bare or insulated.