Plate-like filter insert for gas filter comprises filter material formed as folded strip material with front folds closed by sealing strip

摘要

A plate-like filter insert comprises filter material (1) formed as folded strip material with the front folds closed by a first sealing strip (2). The first sealing strip protrudes outwards and a second sealing strip (3) running in the longitudinal direction is joined to the end folds. The second strip is sealed by the first strip.