Plastic drums with a screw lid green are made of HDPE (high density polyethylene) with food certificate. So this plastic barrel can be used for both rainwater and leaven. The material from which the barrels are made...
Automatic 25~55%RH at ambient temperature
Totally silent operation, no moving parts
Maintenance free, self-regenerative drying agent
Minimal electricity consumption, Hygrometer does not use batteries/electricity
Approximate wall thickness, 0.09 in. (2.4mm)
Tanks are graduated
55-gal. size can be used as liner for steel drums
Available with spigot for drawoff (Cat. No. 54102)
Not autoclavable