All LineAir pre-filters are manufactured using our own filter medium, which gives a better stability and a longer life of the pre-filter.

This type of filter is generally used for the pre-filtering of ventilation systems to protect the stages of filter bags or rigid filters.

Available in grades G2 and G4 according to DIN and EN 779, they are supplied in various types of finish, according to the existing system.

All PGI filters are free from silicones.

Frame made form cardboard on which is placed the pleated or fl at filter medium, the standard dimensions being 20, 48 and 98 mm; other dimensions between 15 and 150 mm can be made to order.

This type of filter is more economical than the metal frame filters but cannot be re-used merely by changing the filter medium.

It is also possible to incorporate a protective mesh at the clean air outlet.