The bag air filter are sealed at 3 sides and joints at the back of the grid are also sealed with adhesive to prevent shrinkage

F9 bag air filter Design Features:

Robust and leak-proof multi-pocket design of the F bag filter catch air bypass.

The pockets are sealed at 3 sides and joints at the back of the grid are also sealed with

adhesive to prevent shrinkage and avulsion of the pockets. The filter is equipped with nuique

 additional edge safety stitch which helps to prevent dirty air bypass and each stitch is sealed

 with a thermoplastic adhesive to prevent leakage and media break off.

If you are interested in it,pls don't hesitate to contact me!