Syringe filters are Used as sterile air exchange ports for spawn jars or liquid culture jars for mushroom growing.
Widely used for liquid culture, substrate jars, and Grain spawn jars. These items are autoclave-safe and have low to no risk of contamination. Stick your ports to the specified holes with a high temp gasket maker or red RTV silicone.
The injection port allows the needle to pass through multiple times while self-healing. The micron air filter has a vent of .22 microns, allowing the appropriate exchange of gases whilst remaining sterile. Once the adhesive is applied, it withstands autoclave temperatures of over 120 Celsius (250F) at 15psi for extended periods (recommended three hours maximum).