Syringe Filter Hydrophobic PTFE Membrane 33mm Diameter 0.22um Pore Size Gas Exchange Non Sterile by Bioemd Scientific 10PCS

Not much to say. It does what it's designed to do.

What’s there to say they work.

Using these as the final filtration step for perfume filling. They work well and give a nice clean result, but they clog fairly quickly if the solution isn’t pre-filtered first. The construction feels solid and they seal well on syringes, with consistent flow once primed. For best results, I’d recommend running your blend through a coarser filter first. Overall, a good value and performs as expected for a 0.22 µm PTFE filter.

Great for mycology, is the exact fit for their branded mason jar lids, and even if you don’t have their lids you can make shift the mason jar with a drill bit. These handled the pressure cooker well and I’ve had no issues with contamination and great airflow. Don’t mind my baggies, it’s to air lock them in the fridge.