How should you purchase a benchtop fume hood for your lab?

High Performance Coated steel benchtop fume hood with chain driven vertical sash system. Ideal for general chemistry applications. Chemical resistant liners to protect the interior of the fume hood against damage from any chemicals. Available with flammable and acid storage base cabinets and many other accessories. Get More Details: //www.cleatech.com/product-category/fume-hoods/fume-hoods-vertical-sash/