- Prefilters or final filters in ventilation systems for the separation of fine dust
- Optimum dust holding capacity at a low differential pressure
- Reduction of energy costs due to low initial differential pressure
- Type F725, F726, F728, F729 Pocket filters made of nonwoven synthetic fibres
- Type F743, F745 Pocket filters made of nonwoven chemical fibres
- Type F744, F746, F748, F749 Pocket filters made of nonwoven glass fibres