Boveda Humidification System for Cello, Bass, and Guitar Item # : HUMB49C $29.99 (0) No Reviews yet Quantity -+ Add to cart Details Boveda Humidification System for Cello, Bass, and Guitar DetailsBackDetailsBoveda Humidification System for Cello, Bass, and Guitar Ratings & ReviewsNo reviews availableBe the first toWrite a review