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
Mfr #: 218011753, 218012458, 218013651, 218014459, 218015455, 218016357, 218017353 | Manufacturer: DWK Life Sciences
Complies with the standards in ISO 4796-1:2016 Laboratory glassware -- Bottles -- Part 1:...
Mfr #: T310-1A | Manufacturer: Simport
The white washer seal fits tightly on top of the tube opening to ensure a leakproof seal
Made of medical-grade, non-cytotoxic, USP class VI, and FDA compliant...