4 wide mouth mason jar lids

4 wide mouth mason jar lids

Regular price
$15.00
Sale price
$15.00
Unit price
per 

These are our hand made wide mouth mason jar lids fitted with a reusable 0.22 microns gas exchange filter and a rubber self healing injection port. A much easier way to inoculate your grain spawn with higher chances of success and lower chances of contamination! PRICE OF SHIPPING INCLUDED. What you see is what you pay at check out!