Boveda 49% RH Humidity Control Pack - Size 70 - Single Pack

This humidity control pack will help maintain relative humidity when placed inside of your instrument case (approximately 40% - 60%). This can be used as a replacement for humidity sponges or hoses and is relatively easy to maintain. Just replace the pack when it dries up, which may be about every 3 months. This is the larger pack of the 2 versions that we offer.

These are single packs, size 70, with dimensions 5.25" x 3.5".