Originally Posted by
timg7
Certainly the rubber seems to last a long time. The valve stems can corrode though, and weaken the metal-to-rubber seal.
Good point, but perhaps since I live in a region with typically low relative humidity (typically around 40% or less) and the air is not contaminated, corrosion of metals is not a problem I experience, for items that are not kept outside, left to the mercy of the elements.