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#9 |
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Senior Member
Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 12,148
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You won't be able to see the holes if there are any, because they are inside. It may sound gross, but one way to find if the power valve is any good is to suck on the flat end with the hole in it and place your tongue over the hole. If it's good, it will stick to your tongue.
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