Modified autoclavable regular or wide mouth mason jar lids

Our new lids are in! Only for wide mouth thou. These have been tested and no leaks thanks to the rubber ring. 

What's included:

If you buy:

86mm Wide Mouth mason jar lid + breathable + injection port 

Or

70mm Regular mason jar lid + breathable + injection port 

Modified autoclavable regular 70mm and wide mouth 86mm mason jar lids. 

These are free from silicone or glue, they fit perfectly and will not come off easily.