Quote:
Originally Posted by toast
If you live somewhere that you don't worry about large elevation changes that lip could be sealed with silicone, no?
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It looks like the equalizing air gets pulled in thru the hole where the shaft is mounted, I think that lip (where I cut into) is sealed with the blue diaphragm edge (the part that looks like the base of a condom!)
Hmmmm, that gives me an idea for keeping out the dirt...