Our price on these membrane rolls makes them an excellent value for classroom use. This economical, high-quality product is ready to cut, soak, tie and fill. Use it for demonstrations of osmosis in general biology and cell biology labs as well as in plant and human physiology labs.

Made of seamless regenerated cellulose with a typical molecular weight cutoff of 12,000 to 14,000 MW. Instructions included. Size given is flat width and length of roll.

Dialysis Tubing helps students understand the essential principles governing diffusion and osmosis concepts such as:

• Permeability
• Equilibrium
• Fluid Balance
• Concentration Gradients
• Plasmolysis