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A calibrated, glass gas detector tube for use with GASTEC Precision Gas Analysis Apparatus (item #653072). Color change inside the tube allows students to read the gas concentration directly from the tube wall. Range is 0.5 to 8.0%. Box of 10.
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.
