P165875 Synthetic, Efficiency Beta 1000:
11 micron
P165877 Synthetic, Efficiency Beta 1000:
23 micron
P165879 Synthetic, Efficiency Beta 2:
14 micron, Efficiency Beta 1000:
50 micron
P167162 Synthetic, Efficiency Beta 1000:
6 micron
P550275 Wire Mesh, Efficiency Beta 2:
150 micron
P550386 Cellulose, Efficiency Beta 2:
5 micron, Efficiency Beta 1000:
24 micron
P550387 Cellulose, Efficiency Beta 2:
17 micron, Efficiency Beta 1000:
40 micron