Tubing & Connectors

Instech offers a wide range of external and intravascular tubing, couplers, plugs and luer stubs for laboratory animal infusion research.


In addition to the bulk tubing shown in the list at left, we offer custom-made finished catheters in a range of sizes and materials.


See our Tubing Size Reference Chart for inner and outer diameters and volumes.


Instech tubing and connectors are for laboratory research only. Not for human use.


Not sure which tubing is right for you? Read 7 Things to Consider When Choosing Tubing for Research