Brookvent aircycle ONE Single Room Heat Recovery Fan

Brookvent aircycle ONE Single Room Heat Recovery Fan is a continuous running, low energy, ultra-quiet, alternate flow supply and extract fan with heat recovery for use in habitable areas such as living rooms, bedrooms, dining rooms, basements and hallways.

This unit needs a 107mm core hole to fit

Core features include:

• Extremely low power consumption costs around GPB 5 a year to run
  for continuous operation on low speed.
• Energy efficient Integral Regenerative Heat Exchanger with
  up to 82% efficiency.
• Unique design winglet-type impeller, providing enhanced aerodynamic
  properties, low noise and increased efficiency.
• Each model comes with 3 different airflow settings.
• IPX4 protection.