Bottle used to wash or dry (scrub) gases of undesirable constituents.Gas enters the bottle through the center tube and exits at the bottom of the bottle through a fritted cylinder.The gas is dispersed into small bubbles,promoting complete absorption of undesirable constituents that are to be removed from the gas flow,as the gas rises to the top and exits through the side tubeBoth the inlet and outlet tubes accept 1/4" I.D. flexible tubing. ● Material:Borosilicate glass ● Color:Clear ● It is designed for use with a cyanide distillation apparatus ● Bottle used to wash or dry (scrub) gases of undesirable constituents