Fan filter units are stand alone units with integrated hepa filter fan and control system.
Fan powered hepa filter.
Each titus ffd fan filter diffuser is a self contained fan filter module that includes hepa filter pre filter fan speed control and low profile design.
The second is the hepa filter which honeywell suggests changing once a year.
If you want cleaner air in a fairly small room honeywell s dh hpa060 is the right choice.
Our standard fan powered hepas microsound ncr units include variable speed control choice of power cord or junction box.
Air circulation is maintained by using a lightweight forward curved fan powered by a 120v or 277v 60hz motor.
The helmet filters air with fans and hepa filters with four hours of battery life.
Fan powered hepa filters self powered air filter modules have become a popular substitute for terminal air filtration units because of their flexibility and ease of installation.