.. all I know of is zeolite.. Posted on August 9, 2014 by Kenneth Udut Leave a comment Adam Lakedang – some kind of CO2 scrubber… all I know of is zeolite.. [responsivevoice_button voice="US English Male"] Leave a comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. 5 + = eight Leave a Reply