Thread: DEF question
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Old 03-24-2022, 03:21 PM   #2
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Location: Oro Valley
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M.O.C. #20477
Eugene,

It does have a shelf life. Unless your rig sits for over 6 month or you leave a jug in the garage for a year or more you should not have an issue.

I have never seen seen first hand reporting of an age related problem.
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