OPTIFLEX® round duct
Slot diffuser
OPTIFLEX® round duct
Slot diffuser
The first ventilation ducting for easy and reliable installation and which meets indoor air quality requirements.

OPTIFLEX® round duct
OPTIFLEX circular ducts offer a semi-rigid plastic ducting solution to connect ventilation terminals to the fan unit in non-heated areas of an individual house. They ensure the hygiene and quality of indoor air.

The + products
- leaktight ducting,
- quick to install,
- strong (slab or screed).
- suited for unidirectional and HRV systems
- long-lasting installation,
- indoor air quality.
- accessories easily slotted into ducts using OPTIFLEX seals sold separately,
- use OPTIFLEX seals sold separately to ensure an airtight seal,
- lyre collars or perforated strips to attach ducts available as accessories,
- in all cases, to prevent pressure losses and sound propagations, limit the use of bends to a minimum.
References | Maximum use temperature (°C) | Insulation material | Minimum use temperature (°C) |
---|---|---|---|
11091969 - OPTIFLEX® grey circular anti-static duct Ø 90 - 30 m | 60 |
-5 |
|
11091855 - OPTIFLEX® circular antistatic duct black Ø 90-50 m | |||
11091854 - OPTIFLEX® grey circular anti-bacterial duct Ø 90 - 50 m | 60 |
-5 |
|
11091872 - OPTIFLEX® white circular anti-bacterial duct Ø 75 - 50 m | 60 |
-5 |
|
11091992 - OPTIFLEX® grey circular anti-static duct Ø 75 - 50 m | 60 |
-5 |
|
11091993 - OPTIFLEX® grey circular anti-static duct Ø 90 - 50 m | 60 |
-5 |
References | L (mm) | Ø (mm) | Rated Ø duct (mm) | Weight (kg) |
---|---|---|---|---|
11091969 - OPTIFLEX® grey circular anti-static duct Ø 90 - 30 m | 30000 |
90 |
90 |
16 |
11091855 - OPTIFLEX® circular antistatic duct black Ø 90-50 m | 90 |
|||
11091854 - OPTIFLEX® grey circular anti-bacterial duct Ø 90 - 50 m | 50000 |
90 |
90 |
22,5 |
11091872 - OPTIFLEX® white circular anti-bacterial duct Ø 75 - 50 m | 50000 |
75 |
75 |
17 |
11091992 - OPTIFLEX® grey circular anti-static duct Ø 75 - 50 m | 50000 |
75 |
75 |
14 |
11091993 - OPTIFLEX® grey circular anti-static duct Ø 90 - 50 m | 50000 |
90 |
90 |
20 |