Boveda 67g 62% Relative Humidity Individually Wrapped Bulk Pack of 100 Master Controller It has a durable steel

It has a durable steel body with a rustproof matte finish that increases resistance to corrosion

refill with the proper electrolyte solution to ensure optimum performance

Methanol is a high purity solvent used to manufacture botanical solutions and is easily evaporated

Give your plants the benefit of a long-lasting covering that includes excellent light transmission

the filter is fully sealed and won’t breed pollutants

Boveda 67g 62% Relative Humidity Individually Wrapped Bulk Pack of 100 Master Controller It has a durable steelDescription Patented Humidity Control Packs: Boveda's unique 62% humidity control packs manage moisture content, providing 15% higher retention of active compounds compared to items stored without Boveda. These packs add or remove pure water vapor as needed to maintain a precise relative humidity (RH). Efficient Response to Atmospheric Conditions: Boveda's packs respond to any humidity conditions inside a container by maintaining the pre set relative