| Polyurethane sealing technology has been modernized |
| Wednesday, 28 November 2007 00:00 |
| Due to usage of new modern materials toughness of polyurethane sealing has increased much on such filters as “Alpha-101M”, “Alpha-101-1М”, “Alpha-102M” and several others. Now filters with polyurethane sealing are much more able to endure mechanical strain . |