Myphamjar Hydrometer Lids for Miron Glass Jars
MyPharmJar is designed for perfect storage of your herbs or spices!
The Hygrometer built into the lid allows you to precisely monitor the temperature and humidity of your herbs!
These unique lids are heavy duty BPA with lightproof component and work beautifully with the range of Boveda 2-way humidity control units.
Medium lids fits 250mL and 400mL Miron glass jars
Large lid fits 1L Miron glass jar