Components Circular duct pipes Galvanized sheet or stainless steel piping for suction ducts. Available in any diameter and lengthAvailable with edge to: Tight band Wide strap Smooth Flanged Board for flexible « back Change section Anti-vibration joints Curves Deviations Joining systems Extractor hoods Fittings for analysis Suction accessories Shutters Silencers Expulsions Circular duct pipes Close Information form I have read the privacy notice.