DEC INTERNATIONAL
DEC International is a leading Dutch manufacturer of flexible air ducts and ventilation components. Recognised as one of the world’s leading producers of flexible ducting, the company manufactures high-quality flexible air ducts, insulated ducting, acoustic ducts, ventilation accessories, and stainless steel flue gas systems for residential, commercial, and industrial HVAC applications. DEC International is renowned for superior product quality, continuous innovation, reliable performance, and outstanding customer service, making it a trusted choice for ventilation professionals worldwide.
100mm / 1m AKUDEC-2 semi flexible sound attenuator Ø100mm, DEC International
100mm / 1m Greendec flexible insulated antibacterial air duct, DEC International
DEC International GREENDEC Ø100mm flexible insulated antibacterial air duct (1.0m) is a hygienic, sound-attenuating HVAC duct designed for quiet and efficient air distribution with 25mm glass wool insulation reduces noise, prevents condensation, and minimizes heat loss. Built for demanding environments such as hospitals, cleanrooms, heat recovery and air-conditioning systems, it supports airflow up to 30 m/s and pressures up to 2000 Pa.
100mm / 3m semi-flexible aluminium air duct SEMIDEC, DEC International
DEC International Semidec 100/3m a semi-flexible air duct Ø100mm made from a single layer of aluminum that is highly resistant to corrosion. The special seam construction ensures excellent air tightness and flexibility.
100mm/0.5m Greendec flexible insulated antibacterial air duct, DEC International
DEC International GREENDEC Ø100mm flexible antibacterial sound attenuating air duct (0.5m) is an insulated acoustic ventilation duct with 25mm glass wool insulation for thermal, odour and noise reduction. Featuring Sanitized® antibacterial protection, it is ideal for hospitals, clean rooms, and professional HVAC systems.
102, 127, 160, 203 and 254mm / 10m aluminium air duct Aludec REGA
Aludec REGA is a flexible, non-insulated air duct made of aluminium-polyester laminate. It is a the perfect ducting solution, ensuring flawless airflow and exhaust. Its superior quality and corrosion resistance guarantee reliable performance for many years. It is suitable for use in households as well as commercial or industrial facilities.
Available in diameters 102mm, 127mm, 160mm, 203mm, 254mm and 315mm.
102mm x 10m flexible laminated aluminium air duct Combidec 2000 BLUE DEC International
102 mm/10 m Combidec 2000 Blue flexible laminated aluminium air duct Ø100 mm from DEC International is a heavy-duty ventilation duct offering high mechanical strength, excellent flexibility, and proven fire safety. Ideal for HVAC systems, mechanical ventilation, and industrial air handling applications.
102mm x 10m ISODEC 25 thermally insulated aluminium air duct (insulation 25mm) DEC International
The DEC International ISODEC 25 thermally insulated air duct Ø102 mm designed for air conditioning and ventilation systems, helping reduce condensation and maintain stable air temperature. It features a multi-layer structure with an inner aluminium duct, glass wool insulation, and an outer aluminium jacket, providing durability and thermal protection. Suitable for various HVAC applications, it operates in a temperature range from -30°C to +140°C and with air velocity up to 30 m/s for reliable airflow.
102mm x 10m SONODEC 25 acoustic insulated aluminium air duct (insulation 25mm) DEC International
The DEC International SONODEC 25 Ø102 mm a thermally and acoustically insulated flexible aluminium air duct designed for air conditioning and air supply systems where noise reduction and condensation prevention are required. It features a perforated aluminium inner duct, 25 mm glass wool insulation, anti-migration barrier, and aluminium laminate outer jacket, helping reduce airflow noise and maintain stable air temperature. The duct has a 102 mm diameter, 10 m length, supports air velocity up to 30 m/s, and operates in a temperature range from -30°C to +140°C.
125mm / 3m semi-flexible aluminium air duct SEMIDEC, DEC International
DEC International SEMIDEC Ø125mm / 3m high-quality semi-flexible air duct with a single layer of corrugated aluminium. Designed for professional ventilation and air handling applications, provides excellent air tightness and mechanical strength. Heat resistant, durable and easy to install.
125mm/1m AKUDEC-2 semi flexible sound attenuator Ø125mm, DEC International
127mm x 10m flexible laminated aluminium air duct Combidec 2000 BLUE DEC International
DEC International Combidec 2000 Blue flexible air duct Ø127 mm (10 m) is a heavy-duty laminated aluminium ventilation duct designed for high mechanical strength, flexibility, and fire safety. Ideal for HVAC systems, mechanical ventilation, and industrial air handling, it offers excellent temperature resistance and long service life.
127mm x 10m ISODEC 25 thermally insulated aluminium air duct (insulation 25mm) DEC International
The DEC International ISODEC 25 insulated air duct Ø127 mm is a flexible insulated ventilation duct designed for HVAC and air conditioning systems, helping reduce energy loss and prevent condensation. Its multi-layer construction with an inner aluminium duct, glass wool insulation, and outer aluminium jacket improves thermal performance and durability. Suitable for a wide range of ventilation applications, it operates in a temperature range from -30°C to +140°C and supports air velocity up to 30 m/s for efficient airflow. Length 10m.
