Showing 13–24 of 45 results

127mm x 10m SONODEC 25 acoustic insulated aluminium air duct (insulation 25mm) DEC International

€64.86 Incl. VAT

The DEC International SONODEC 25 insulated air duct Ø127 mm is a fully flexible aluminium ventilation duct with thermal and acoustic insulation, designed for air conditioning and air supply systems where noise reduction and condensation control are important. It features a perforated aluminium inner duct, 25 mm glass wool insulation , an anti-migration barrier, and an aluminium laminate outer jacket, ensuring effective sound attenuation and durability. The duct supports air velocity up to 30 m/s, and operates in a temperature -30°C to +140°C.

160mm x 10m flexible laminated aluminium air duct Combidec 2000 BLUE DEC International

€44.15 Incl. VAT

160 mm / 10 m Combidec 2000 Blue flexible laminated aluminium air duct Ø160 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.

160mm x 10m ISODEC 25 thermally insulated aluminium air duct (insulation 25mm) DEC International

€65.22 Incl. VAT

The DEC International ISODEC 25 insulated air duct Ø160 mm is a reliable solution for air distribution in HVAC systems, helping maintain consistent air temperature during operation. Its triple-layer construction with an inner aluminium duct, glass wool insulation, and outer aluminium jacket protects against condensation while reducing heat and cold transfer. Designed for demanding applications, it operates within a temperature range of -30°C to +140°C and supports air velocity up to 30 m/s, ensuring efficient and stable airflow. Length 10m.

160mm x 10m SONODEC 25 acoustic insulated aluminium air duct (insulation 25mm) DEC International

€75.26 Incl. VAT

The DEC International SONODEC 25 insulated air duct Ø160 mm is a flexible acoustic and thermal ventilation air duct designed to improve comfort in HVAC and air supply systems. Its construction includes a perforated aluminium inner duct, 25 mm glass wool insulation, an anti-migration barrier, and a durable aluminium laminate outer jacket, which helps absorb airflow noise while limiting condensation and temperature loss. Air velocity up to 30 m/s and operates in a temperature range from -30°C to +140°C, making it suitable for a wide range of ventilation applications.

DEC International AKUDEC-2 160mm Flexible Aluminium Sound Attenuator With 25mm Insulation
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DEC International AKUDEC-2 160mm Flexible Aluminium Silencer 1m With 25mm Insulation

160mm/1m AKUDEC-2 semi flexible sound attenuator Ø160mm, DEC International

€60.02 Incl. VAT

Ø160mm/1m AKUDEC-2 semi-flexible sound attenuator – premium aluminum insulated duct with 25mm acoustic insulation. Effectively reduces HVAC noise and vibration. Temperature range -30°C to +250°C.

DEC International AKUDEC-2 200mm Flexible Aluminium Sound Attenuator With 25mm Insulation
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DEC International AKUDEC-2 200mm Flexible Aluminium Silencer 1m With 25mm Insulation

200mm/1m AKUDEC-2 semi flexible sound attenuator Ø200mm, DEC International

€59.65 Incl. VAT

Ø200mm/1m AKUDEC-2 semi-flexible sound attenuator – premium aluminum insulated duct with 25mm acoustic barrier. Designed for efficient HVAC noise reduction and vibration control. For round air ducts.

203mm x 10m flexible laminated aluminium air duct Combidec 2000 BLUE, DEC International

€51.15 Incl. VAT

DEC Combidec 2000 BLUE flexible aluminium air duct Ø203mm (10m) is a high-strength laminated ventilation duct designed for mechanical aeration and steam return systems. With superior tear and puncture resistance, it withstands temperatures from -30°C to +140°C and pressures up to 3000 Pa, making it ideal for demanding HVAC applications.

203mm x 10m ISODEC 25 thermally insulated aluminium air duct (insulation 25mm) DEC International

€77.32 Incl. VAT

DEC International ISODEC 25 Ø203mm thermally insulated air duct with 25mm insulation. An excellent choice for directing airflow and maintaining air temperature. This air duct is carefully designed, combining an inner aluminum layer, a thermal insulation layer made of glass wool, and an outer aluminum layer. The Isodec 25 ventilation duct effectively prevents condensation and reduces heat and cold loss, helping to save energy and improving heating or cooling efficiency.

203mm x 10m SONODEC 25 acoustic insulated aluminium air duct (insulation 25mm) DEC International

€88.20 Incl. VAT

The DEC International SONODEC 25 insulated air duct Ø203 mm is a flexible ventilation duct with acoustic and thermal insulation, designed for air supply and air conditioning systems where noise reduction and condensation control are important. It features a perforated aluminium inner duct, 25 mm glass wool insulation, anti-migration barrier, and a durable aluminium laminate outer jacket, helping reduce airflow noise while protecting the insulation from moisture. The duct has a 203 mm diameter and 10 m length, supports air velocity up to 30 m/s, and operates in a temperature range from -30°C to +140°C.

The DEC International AKUDEC-2 250mm round flexible aluminium silencer is designed to effectively reduce noise in ventilation systems while maintaining high airflow efficiency. With a 1m length, flexible body, and 25mm thick insulation, it minimizes sound transmission through air ducts and improves overall acoustic comfort. The integrated silencing structure offers minimal airflow resistance, ensuring optimal ventilation system performance. Manufactured from durable, high-quality materials, this silencer provides long service life, reliable operation, and a quieter indoor environment for residential and commercial ventilation applications.
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DEC International AKUDEC-2 250mm Flexible Aluminium Silencer 1m With 25mm Insulation

250mm/1m AKUDEC-2 semi flexible sound attenuator Ø250mm, DEC International

€50.22 Incl. VAT

DEC International Ø250mm/1m AKUDEC-2 semi-flexible round sound attenuator – aluminum insulated duct with 25mm acoustic lining. Reduces HVAC system noise and vibration for quiet, efficient airflow.

254mm / 10m ISODEC 25 thermally insulated aluminium air duct (insulation 25mm) DEC International

€95.53 Incl. VAT

The DEC International ISODEC 25 Ø254 mm insulated air duct designed for efficient air distribution in ventilation, heating, and air conditioning systems while helping maintain stable air temperature. The duct features a multi-layer construction with an inner aluminium duct, glass wool thermal insulation, and an outer aluminium layer, which helps reduce heat loss, prevent condensation, and improve overall energy efficiency. Suitable for demanding HVAC applications.

254mm flexible aluminium air duct Combidec 2000 BLUE DEC International 10m

€64.44 Incl. VAT

DEC Combidec 2000 BLUE flexible aluminium air duct Ø254mm (10m) is a high-strength laminated ventilation duct designed for HVAC and mechanical aeration systems. With excellent tear and puncture resistance, it operates safely in temperatures from -30°C to +140°C and handles pressures up to 3000 Pa, making it ideal for demanding industrial airflow applications.