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United Scientific TT9800-H Borosilicate Glass Test Tube with Rim, 60ml Capacity (Pack of 72): Science Lab Test Tubes: Amazon.com: Industrial & Scientific
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Rimmed Glass Test Tube, Borosilicate - 7mL Capacity with 13mm Outside Dia, 10mm Inside Dia (Approx.) - 3" Height - Walmart.com
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