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 #: W225223-01 | Manufacturer: DWK Life Sciences
Choose clear or amber borosilicate glass vial
12 x 32mm LVI™ Vial & 11mm Aluminum E-Z Seal™
Writing patch on all vials