Rimless glass test tubes, 13x100mm (1/2x4"), are inexpensive sample packs for product mailings; only $0.20. Tube capacity is ~8mll/0.3fl oz.
New: Even Lower Pricing for Box of 100.
This size is also available in rimmed form:
Optional cork or rubber stoppers are not included but are listed in Related Products below.
These culture tubes hold approximately 8mL. If you need to measure 10mL accurately or some part of that, a 10 mL graduated cylinder is what you need.
I've been happy with the quality of the glass I've gotten from Indigo Instruments and happy with their speedy delivery. This is my second 5-star review.
Very happy with products and service. Will be back for more assorted sized test tubes.
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