Self Healing Injection Ports Rubber Bottle Stoppers (100 peices) 20mm/0.7874in for 13 mm (0.5118in) diameter opening Mason Jar Lids

Q: can these be used in the oven? probably 300 degree max for oven sterilization

I've never used them in the oven. But probably

Q: Can you just drill a hole in a wide mouth jar lid smaller than the diameter and cram it in?

Yes, you can operate it, this hole needs to be about the same diameter

4.7/5

Product ID: 710162504

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Details

Color
Gray
Material
Rubber
Brand
SUCOHANS
Shape
Mushroom
Product Dimensions
0.75"W x

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