These PYREX® flat bottom reusable culture tubes are ideal for plant tissue culture and general culture work. The flat bottom facilitates use with agar slants. Walls and bottoms are of uniform thickness. The tubes are rimless for greater convenience in plugging and rack storage. Optional…

Screw cap, flat bottom, borosilicate glass (9215J30 and J50) Suitable for tissue culture and routine bacteriological work Flat bottom allows tube to stand unsupported 9215J30 tube takes size 15-415 cap; case of 1,000 contains four packages of 250 9215J50 tube takes size 18-415…