Grey pipe in expanded polypropylene for Controlled Mechanical Ventilation, Eco Hot Water, UTO and UTV, internal diameter 160 mm and length 2 m.

Technical data
- Density: 30 kg/m3
- Unit thermal transmittance: 0.041 W/mK (EN12667)
- Thermal resistance: R = 0.56 (m2 x K)/W
- Temperature range: min -30 °C, max +60 °C
- Wall thickness: 16 mm
- Reaction to fire class: B1 (DIN4102)
- Fluid: air
- Air permeability: C (EN 12237:2003)
- Material of clip coupling and clamping/fixing collar: PP
- Self-supporting, it is fixed with a traditional collar positioned every 2 metres
- Air-tight without thermal and acoustic breaks

Note
To clean the internal surface, use only soft-bristle brushes to avoid damage.