This is a clear anodized aluminum Humidity Indicator Plug. It may be installed in a flexible barrier through a 1.05 in. (26 mm) diameter hole. Nut and two gaskets are furnished. It may also be installed through a 1.05 in. (26 mm) diameter hole in a rigid container by removing one gasket and reversing the nut. Standard TA354-40 is furnished with a 40% humidity disc. For optional multiple spot discs, refer to the Color-Change Discs page. Suffix numbers specify optional discs. For instance, TA354-234P includes a 20-30-40% pie sector disc.
TA354 is same as TA356 except it is 1/2″ longer.
