140 F seems fine for keeping something warm you've smoked
for some time. keeping humidity in mind
those small smokers w the tube as mentioned
work fine for a final smoking
bu the plastic tube and the connection to it is narrow
nd will vlog up w are at some point
and are not that easy to clean
per several reviews
PS those tube smokers can be cleaned ,
get the same size tubing at home depot
cut your chosen length , then toss out when clogged.
try but a yard or two , right
and its cheap at Home Depot
pipe cleaners also helpful
