Humi-Smart 2-Way Control 72% RH 30g 4-Pack
- We include 1 Humidity Indicator Card as a hands-free way of monitoring the (RH) level in your container, so there’s no guessing game as to when your Humi-Smart pack is ready to be replaced. When the PINK dot on the Humidity Indicator Card turns BLUE, its time to put a fresh Humi-Smart pack in your container.
- Includes quantity 4 30g HUMI-SMART 2-way 72% RH Humidity Control Packs.