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 #: B01323WA | Manufacturer: Whirl-Pak
All bags are sterilized after manufacturing using ethylene oxide gas at an independent ISO-certified facility. Exceptionally clear film and superior strength are achieved...