Advantages and disadvantages of no pipeline filter type ventilation cabinet

The use of non pipeline ventilation cabinet, can only use restricted chemicals. Different manufacturers, restricted chemicals also have distinction. This is why should carefully check each manufacturer defined chemical list. For example:, no tube filtration technology leader erlab group, the limited use of chemicals has 600.
The limited use of a certain quantity of chemicals is caused by the interception ability of different filter.
Different manufacturers, air treatment volume ventilation cabinet is different.
Monitoring filter saturation for no pipe ventilation cabinet is very necessary. When the filter is saturated, should be regularly replaced.
Advantage of non pipeline filter type ventilation cabinet:
Note: no pipe ventilation cabinet the following describe the advantages only follow strict audit standard. These criteria are: Chinese standard JG/T385-2012 released in 2012 and the imminent implementation of the. This standard, applicable to any self loop filter ventilation cabinet and a medicine cabinet. Other standards such as: follow the famous French AFNOR NFX 15-211 standard, SEFA 9 standard America, controlling the concentration of standard ASHRAE110-1995 America, controlling the concentration of European standards EN14175-3.
No pipe does not consume any indoor air, and then the filtered air back into the room.
No pipe ventilation cabinet without external pipeline, emissions into the atmosphere free of air pollution. Convenient to move, can be flexible according to the layout of the laboratory. No pipe ventilation cabinet installed it immediately, reduces lengthy and expensive cost of installation.