The can is pretty well hidden between the fender liner and the front bumper, so I haven't had more than a cursory glance at mine since my self-install. Guess I'll have to take a hard look at it soon. Luckily, there's barely any humidity in Phoenix...most of the time.
12 LS M6, IPF S/C, ASA GT-5 wheels, VMax PTB
1995 Mitsubishi Montero SR
1987 Dodge Raider Turbo Project
1986 Mitsubishi Montero 2.4l FI Transplant