(NEW!) These 0.22 Micron Air Filtration Disks acts as a tool to allow gas exchange in culture containers, grain jars and liquid cultures. The strong 3M adhesive can withstand autoclave temperatures in excess of 250F at 15psi for extended periods when kept covered and dry during sterilization. The overall diameter of the filter is 19mm and the air hole is 10mm (.39"), perfect for standard 1/4" jar lid holes. This product can be stuck to clean hard surfaces, including standard metal jar lids and plastic jar lids.
Features & Uses:
- These are great for creating your own grain jars, liquid culture jars & more.
- The 3M professional adhesive provides an easy peel and stick filter that can be re-used and sterilized over and over.
- Can cover and seal holes up to 5/16"
- Works on any style mason jar lid or spawn bag.