The Integra Boost 2-Gram 2-Way Humidity Control Pack (55% RH, 2000/pack) is an essential solution for maintaining optimal humidity levels in small storage containers. Designed with patented 2-way humidity control technology, these packs efficiently absorb or release moisture as needed, ensuring a stable 55% relative humidity (RH) environment.Each 2-gram packet is compact yet powerful,... https://www.hydroponicstown.com/integra-boost-2-gram-2-way-humidity-control-at-55-rh-2000-pack