the fan filter unit is the minimum one of the above method and device

摘要

this invention is a fan filter device of the type will be the same as the first two. before the introduction of the external air is introduced, and the key of the geometry of the system and the guide. the fan filter unit in the device to reduce the pressure of the flow and the loss of the system will become not only through the release of air distribution to maintain order. the invention is also a fan of his, and the two are similar in size to meet. according to the invention, such a limited clean room filter of fan noise in the fighting.