Boveda Humidity Packs are a revolutionary product that will maintain humidity in your humidor within +/- 2.5% Rh. Boveda They are bi-directional, they will actually remove moisture from a humidor that is too moist and then maintain the relative humidity that you choose.
Comes ready to use. Will last 3 months in most humidors. Number of packets needed per number of cigars: 2 packets for up to 50 cigars, 4 packets for up to 150 cigars, 6 packets for up to 250 cigars, and so on.For Wood Humidors:
The actual RH will be held at a constant level of one to four points lower than the level stated on the packet, depending on the barrier properties and/or quality of the humidor.