A disposable absorbent unit, SofnoDive 797 absorbs carbon dioxide ensuring a  breathable atmosphere is maintained. It is optimised for the removal of carbon dioxide from recirculated air/nitrox/heliox in rebreathers and saturation dive systems.  SofnoDive 797 is a single use, pre-packed carbon dioxide absorber intended to be used as part of a closed circuit diving rebreather system. The units are simple to use and a cost effective alternative to loose fill absorber units.