On Sat, 11 May 2013 01:25:08 -0400, Larry Weil wrote:

I have one of the cans with the vent (it's about 24 years old), but the
cap on the vent has split and I am unable to find a replacement for the
cap. Anyone have a good idea for a substitute?

Steve W suggests this:
http://ezpourspout.bluesarthouse.ws/...roducts/parts/