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
 
500 ml SG500 Gradient Maker is made of two cylindrical acrylic chambers joined and mounted on a flat acrylic base.
- An easy-to-use push-pull valve opens and closes the passage between the reservoir and mixing chambers
 
- Suitable for forming polyacrylamide gradients or buffer gradients used with medium to small chromatography columns