Boveda Two-Way Humidity Packs - 49% RH - Large Starter Kit

Large Instrument Humidity Control Starter Kits

Boveda 2-Way Humidity Control keeps large instruments like celli and bassi in the ideal humidity zone for months while minimizing humidity fluctuations that can damage your instrument. Achieves and maintains a constant relative humidity (RH) range between 40% and 60%, the industry standard for wooden instruments. EACH LARGE KIT INCLUDES:

• One (1) Double (2-Pouch) Boveda Holder
• One (1) Single (1-Pouch) Boveda Holder
• Three (3) Boveda Refill Packets
• Step-by-Step Instructions

Each Boveda in these kits is individually overwrapped. An unopened Boveda is good for up to two (2) years. Replace Boveda 2-Way humidity packets every three (3) months. Contains food-grade salt, purified water, and a food-grade thickening agent sealed inside a leakproof membrane.