Polypropylene flip-top bottle with lock-and-seal lid design
Nontoxic, nonautofluorescent
Designed for total coliform and fecal coliform water sample analysis
Certified Sterile
Available pre-charged with a 10mg sodium...
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