P165762 Synthetic, Efficiency Beta 1000:
6 micron
P165876 Synthetic, Efficiency Beta 1000: 11 micron
P165878 Synthetic, Efficiency Beta 1000: 23 micron
P165880 Synthetic, Efficiency Beta 1000: 50 micron
P167796 Synthetic, Efficiency Beta 1000:
4 micron
P550250 Cellulose, Efficiency Beta 2:
5 micron, Efficiency Beta 1000:
24 micron
P550252 Cellulose, Efficiency Beta 2:
17 micron
P550276 Wire Mesh, Efficiency Beta 2: 150 micron
P561183 Synthetic, Water Absorbent, Efficiency Beta 2:
10 micron