You got the good stuff. I think mine about 79% nitrogen.

Christopher A. Young
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"Ed Pawlowski" wrote in message
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Think of it as a clip on. I have boths kind in my garage with
digital/analog gauges. Seldom use them. All my tires on vehicles are
Nitrogen filled. Milton is one of good brand.

Mine are 80% nitrogen filled. Cheaper and works just as well.