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These 5-pack gas sampling bags feature a single PP valve and a durable PET+Aluminum+PTFE membrane, designed for reliable collection and long-term storage of various industrial and environmental gases. With sizes ranging from 10mL to 500mL, they block light to maintain gas stability and support safe inflation pressures up to 10KPa. Reusable and easy to clean, they’re essential for precise gas sampling in professional lab and industrial settings.
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