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Vic from Illinois writes

What material are the Super Plugs made of?

How does the material hold up to extreme temperatures?

Answer:

Super Plugs are made of tough, chemical resistant polyethylene for long life while retaining a tight seal to prevent vapor escape.

Answer last updated on: 11/21/2016

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Super Plugs - 1/2 inch

Super Plugs - 1/2 inch

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$10.11

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