NF X 15-211 Ductless fume hoods - Filtering safety cabinets - Ventilation

When you manipulate chemicals, your health is endangered, due to the emanation of toxic vapors/powders. As to protect you and your environment, you have to manipulate your chemicals into a ductless fume hood equipped either with a molecular filter (activated coal filter), or with a particular filter (HEPA filter), or both.

Standards and regulations