- 6 sizes: from 450 to 20,000 m3/h
- Self-supporting body
- Double walled with 25mm or 50mm high density glass wool insulation
- Painted outer coating - RAL 9002
- Filters class G2 to F8
- Fans with forward or backward curved impeller blades
- Plate heat exchangers
- Silencers
- Conforms to the requirements of EN 1886