These 0.2 micron Air Filters have a fine enough filter membrane that they can filter out microbes and bacteria.
They can be used with any oil free air compressor such as a pond pump, or other type of pump.
These can also be used as an airlock in the top of your fermenter, or to filter air going back into a cask when dispensing real ale.
This filter is not suitable for liquids and should be discarded if it gets wet.
Suits hoses from 4mm-6mm Internal diameter, such as the EVABarrier 5mm ID for this application.
