Osmosis and Diffusion Kit - Lab-Aids® No. 22
Product Number: SA08212
In Stock (Ships within 1-2 business days)
This kit allows students to observe diffusion through a membrane in two directions at the same time. In addition, they can observe the selective permeability of a membrane - some substances can pass through a membrane and others cannot. Complete for 30 students. WARNING: Choking Hazard. Small Parts. Not for children under 3 yrs.