CONSTRUCTION FEATURES:
Made with a harmonic steel spiral wrapped in two layers of 74pm aluminium/polyester laminate.
Also available in an antibacterial version for hospital use (TT3H).
TT3 flexible ducts with aluminium interior have obtained GREENGUARD Indoor Air Quality Certification and GREENGUARD Children and School Certification for low emissions. These ducts therefore guarantee maximum air quality within indoor environments.
B-s1, d0 certified according to EN 13501-1
