Tubes, Culture Tube, Ignition Tubes, Rimless, PYREX® Glass, Corning®

Pyrex Heavy Wall Rimless Ignition Tubes
These new culture tubes with flat bottoms 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 polypropylene two position closure. Position closure open for gas exchange or closed for humidified environment. Internal drip ring minimizes contamination.