Amsorb Plus (the onlyCarbon Dioxide Absorbent free from Sodium, Potassium & Barium. 1. Does not generate carbon monnoxide (CO) under any clinical conditions 2. Does not generate Compoun A or any unlike compound when used with sevoflurane. 3. Does not generate Formaldehyde when used with sevoflurane. 4. Ireversible color change, when fully exhausted. 5. Optium carbon dioxide absorption. 6. low resistance to gas flow. 7. Low dust levels with consistent granule size. 8. Constant moisture, intrinsically hygroscopic. 9. Non-corrosive to skin.