FlexibleNon contaminatingSeptum closureUse for gas or liquid sample containmentHeat-sealed seams for leak-proof operationReusable bags made of 2 mil PVDF fluoropolymer film, Chemware® Gas Bags offer an economical alternative for analysis of non-corrosive gases. Durable, heat-sealed seams ensure leak-proof operation. Applications include sampling carbon monoxide, sulfur dioxide, hydrogen sulfide, radon and mercaptan. When used for liquid samples, bags should be supported with a tray. Not pressure rated. Custom sizes and configurations are available upon request.