Boveda 58% 2-Way Humidity Control Packs 320g Environmental Monitoring & Controls There is no generator

There is no generator

Unlike other products on the market that may use harmful plastics and metals

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Boveda 58% 2-Way Humidity Control Packs 320g Environmental Monitoring & Controls There is no generatorBoveda 320g 58% Humidity Control Packs Hold Five Pounds The largest pack Boveda makes, one 320 g unit covers up to five pounds at 58% RH. Moisture crosses a reverse osmosis membrane both directions, so a tote that has run dry recovers instead of just holding. 58% is the drier of the two flower levels, which is what long holds want. A Five Pound Humidity Pack for Totes and Bulk Storage At 6. 75" x 5" and under an inch thick, it lies flat in the base of