Fully encapsulated ensembles include Class I and II, and Level A and B Protection. Ensembles meet NFPA compliance only if it is listed in the product description. Since these ensembles are fully encapsulated, you will need to have an air supply.
These ensembles have strong chemical protection in the form of a coverall. They can have many options such as boot socks, hood, double storm flap, etc. The highest level of protection these ensembles can cover is Level B.
These ensembles have strong chemical and flash fire protection. These ensembles are ideal for situations where there may be a fire hazard such as clandestine labs.
These ensembles do not necessarily protect against chemicals but liquids. These coveralls are ideal for industrial use such as food, painting, and with some coveralls, clean room activity.