At Least 11 Things You Didn't Know about Filtration (but you should, because you probably do it all the time) | Biocompare: The Buyer's Guide for Life Scientists
PDF) The sterilizing filter and its pore size rating
Buy 10 Pack Syringe Filter Sterile PES Hydrophilic Filtration 0.22um Pore Size, 33mm Membrane Diameter Sterile PES Membrane Individually Packed by Membrane Solutions Online in Japan. B074QM7VTW
Syringe driven Filter Unit 33 mm Sterile Syringe Filter Pore Size 0.45 um 0.22 um MCE Membrane Sterile Needle Filtration 50 / PK| | - AliExpress
Supor 12992 Cap Sterile Filter Capsules; 0.8/0.2 µm Pore Size, 100 L Volume from Masterflex