Boveda 75% (SIZE 320) 2-way Humidification Control Pack

- ONLY SUITABLE FOR LARGE HUMIDORS (75 )
- Use with or without mounting plate
- Dimensions: 6.75" x 5" x 0.82"
- Equivalent to over 5 large Boveda packs
- Shelf Life: 2 years
- Replace when pack begins to get rigid