These Polyethylene Caps are for use with 17 mm x 100 mm round bottom Autosampler tubes. They feature a Dual-Position design for aerobic or anaerobic storage of culture samples. When snapped into the tube, the cap provides a leak-resistant seal. 14 mL Round Bottom Tubes with Dual-Position Caps, Qty. 1000 (N0777941) assembly also available separately.
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