Popular size 12 x 75 mm test tubes are available boxed and oriented in one direction for ease of use. The re-closable box minimizes scratches and damage during storage and protects the unused tubes. Box contains 250 tubes.
Caps are leakproof, but can be easily removed. Caps may be ordered in white, red, yellow, blue, green or assorted colors.
0670-0016 Counting Tubes