IV Set, with 0.22 Micron In Line Filter, 20 drops/mL, Y-Site, Non-DEHP, Latex-Free, Vented Spike MeriSet 002 IV Administration Set Box 50 #M002 - Merit Pharmaceutical
0.2 Micron Synthetic Filter Papers/fit for Wide Mouth jar lids/Used for Mushroom Cultivation/Pack of 12: Amazon.com: Industrial & Scientific
Inline Air Filter, 0.2 micron PTFE – WB Engineering