Stretto 4-Pack Cello Humidifier Refill

The Stretto Humidifier Refill is a 4-pack of replacement bags for the Stretto cello humidifier system. Each bag is soaked in water before use and placed in the case humidifier housing to help regulate moisture levels.

Specifications

• 4-pack water-activated humidifier refill bags
  
• For Stretto cello humidifier system, used inside instrument cases
  
• Replace when bag no longer absorbs water effectively