"Tubes and Tubing"
Bunsen Gas Measuring Tubes
Long glass gas measuring tubes with closed top and permanent, clearly marked graduations.
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Semimicro Test Tube Clamp
Designed to fit small test tubes, these clamps are made from heavy gauge nickel-plated steel wire. Package of six.
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Wood Test Tube Rack
One-piece support is able to accommodate larger size tubes. It holds six 20mm tubes. Size: 12 x 6 x 4.5cm.
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L-Shaped Connecting Tubes
Molded of quality polypropylene, these L-shaped connectors have 90° unions and offer excellent chemical and temperature resistance. Serrated edges tightly grip and hold tubing.
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Medium Wall Red Rubber Tubing, Machine Made
An economical, smooth finish tubing which is stiffer than the handmade type. Machine made by extrusion.
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Day’s Pinchcock Tubing Clamp
A simple wire clamp that may be installed or removed without disconnecting tubing ends.
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Heavy Wall Red Rubber Tubing, Machine Made
With a heavy wall, this economical, smooth finish tubing which is stiffer than the handmade type. Machine made by extrusion.
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Griffin Tubing Glass Cutter
Hardened steel wheel cuts glass tubes up to 11/2" dia. Two V guides align the tubing and wheel is spring loaded to stay open.
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Straight Connecting Tubes
These autoclavable straight connectors are molded of polypropylene and have serrations to hold tubing tightly and prevent slipping. They have excellent chemical and temperature resistance. O.D.: 6–8mm. I.D.: 3.11mm. Arm Length: 21.9mm
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Polypropylene Tubing Holders
Autoclavable polycarbonate clip that fits over the lip of a beaker, bath, or other vessel.
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PYREX® Culture Tubes with Screw Caps
These 15 ml PYREX® culture tubes are supplied with deep-form 15-415 GPI threaded phenolic caps to facilitate handling and sealing after autoclaving.
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PYREX® Ignition Tubes
These PYREX® rimless ignition tubes are made from No. 7740 glass.
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U-Shaped Flint Glass Drying Tubes
Made from quality flint glass with tapered ends for secure fitting of rubber stoppers or corks.




