Tube has outer joint on top and inner on bottom with two-2 mm high pressure stopcocks.

These support tubes are made of brilliant polished 304 stainless steel. They have good surface hardness and do not score from clamp binding screws. Tubes are 1/2" (13 mm) in diameter and are hollow, reducing weight to half of solid stainless steel rods while maintaining all the advantages of the stainless steel. The walls are 1/16" (1.6 mm) are thick, strong, and do not sag. The ends of each tube are capped with polyethylene tight fitting end-caps.
Special lengths and large quantity discounts are available.

PTFE inner plug fits both the 1 ml and 2 ml outer tubes.

Tube has an O.D. of 3 MM with plain ends for insertion into adapter and 0.1 ml collection vial.

Used in conjunction with QMS-30, for collecting and sampling gases. Open bottom with 3 ml and 4 ml graduation. Joint size is 14/10. Supplied complete with holed cap, septum, and o-ring.

With one -13-425 thread

With serrated hose connections on opposite ends.

With different size hose connections.

For use with a desiccant such as calcium chloride.

These support tubes are made of brilliant polished 304 stainless steel. They have good surface hardness and do not score from clamp binding screws. Tubes are 1/2" (13 mm) in diameter and are hollow, reducing weight to half of solid stainless steel rods while maintaining all the advantages of the stainless steel. The walls are 1/16" (1.6 mm) are thick, strong, and do not sag. The ends of each tube are capped with polyethylene tight fitting end-caps.

With different size hose connections.

With serrated hose connections on opposite ends.

With 14/20 inner joints and medium porosity fritted disk.

With 14/20 inner joints and medium porosity fritted disk.

Heavy wall round bottom tube used for polymerization and analysis of halogens. With internal #15 thread and PTFE bushing and FETFE O-ring.

Tube has a Hi-Vac valve to control flow. The 25 ml and 50 ml tubes have 0 - 3 mm valves, and the 100 ml and 250 ml tubes have 0 - 5 mm valves.