Gradient makers are milled of heavy acrylic plastic with high quality, leak-free Teflon® valves
Includes:
- 
Gradient Maker with Teflon Valves
 - 
Adapter Barbed Fitting
 - 
Luer Outlet Fitting
 - 
22-gauge Needle
 - 
Support Rod
 
Flat base provides stability on magnetic stir.
Takes Luer or 4 mm ID tubing. With included adapters, can also take 2 mm ID or 22-gauge tubing.