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 #: 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...