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O-ring only

O-ring only


1 each -242 O-ring. Doesn't hurt to have a spare around, but probably just one. See editorial comment below:

A word about O-rings: they have a shelf life of 8-10 years. Unless you're doing a lot of processing, they'll probably dry out and start cracking before you'll actually need them. (I've replaced two O-rings in the last three years.)

They're also an off-the-shelf item; most industrial supply houses carry them, so you don't have to worry about them becoming extinct.

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