- Universal casings for installation into ductwork
- Fitting of filter elements for separation of coarse and fine dust
- Side service door for easy filter change
- Type F340, F344 Universal casings for duct installation
- Type F350 Ducted HEPA filter units
- Type F360, F370 Ducted HEPA filter units for critical requirements
- Type F383 Duct casings for HEPA filter elements and activated carbon filter cells