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The Boost Circle Packs
Boost Packs release and absorb moisture as needed to maintain the perfect environment. The circle pack is designed to fit inside jars or jar lids.
Features
- 2-way humidity control
- Non-toxic
- Salt-free
- FDA compliant
Specs
- Sizes: 37mm, 45mm and 51mm
- Available in 55% or 62% Relative Humidity (RH)