Boveda 2-Way Humidity Control Packs, 58% - 8 Gram, Pack of 10 Heavy Duty Grow Tents with smaller numbers indicating smaller

with smaller numbers indicating smaller holes and larger numbers indicating larger holes

Smart Wi-Fi Control: Compatible with Vivosun GrowHub E25 and E42A

clean fresh air can be the difference between success and failure

Inline duct fan for boosting airflow in ducting and vent systems to ensure heating or cooling delivery

Easily be operated with a mobile app available on iOS and Android

Boveda 2-Way Humidity Control Packs, 58% - 8 Gram, Pack of 10 Heavy Duty Grow Tents with smaller numbers indicating smallerBovedas patented two way humidity control preserves the rich flavors, delicious aromas and potent effects of buds wherever you store flower to keep it freshMason jars, stash bags, and airtight containers. Nobody wants to smoke less than stellar flower. When overly dried, bud can lose the rich flavors, delicious aromas and potent effects people are looking for. Boveda works automatically using its patented 2 way humidity control to protect flower,