Oxygen Absorbers for Food Storage 100 CC Oxygen Absorption Capacity of our patented Oxyfree 504 in a Sealed Package of 100 packets Oxyfree uses a more expensive film to prevent leakage of the powder than most manufactures Use in Food Storage, Vacuum Packaging, etc. Oxy Free Inc is the leading pioneer in manufacturing of desiccant and packaging solutions worldwide Supplying the USA market for over 19 years with our product more than 50 million