Boveda Pack and Storage Moisture-Sensitive Products 32-RH 2-Way Humidity Control Size 8 10-Count Resealable Bags for up to 1 oz (30 grams)

Avoid humidity damage with the world leader in 2-way humidity control. With all-natural salts and pure water sealed in a leak-proof -phase osmotic membrane, it automatically adds and absorbs moisture as needed.Accurately achieve and create the perfect humidity balance by maintaining a 32RH relative humidity (RH). (Size 8 is also available with 8 additional RHs 49, 58, 62, 65, 69, 72, 75, 84Prevents physical and chemical changes to moisture sensitive materials such as food, powders, capsules, archival and archaeological materials. Used to refill the One-Step Calibration Kit to recalibrate the hygrometerInsert the easy-to-use and moisture sensitive products into the pack . Maintains accurate RH in airtight pack for 6-9 months. 2-4 months in frequently opened and closed containers. replace when rigidHow many to use Use 1 (1) size 8 for up to 1 ounce (30 grams) of material. (Additional sizes are available for pack in capacities of 5 lbs, 1 lb, 1/2 oz and 1/8 oz.