Self Healing Injection Port(100 peices) 13mm Rubber Bottle Stoppers (Steam Sterilization Safe) for Sealing 1/4 inch or 7mm Opening

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: 210707702

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