As an end air dispersion system,Durkeesox fabric air dispersion system is usually used in one fire compartment and adopted fire damper when it across different areas.It has passed all kinds of widely recognized international certificates and fire testing including UL product certificate under US NFPA 90A and AC-167,UL fire testing under US ASTM-E84,testing certificate under EN13501-2002 class B1-s1,d0 and China fire certificate under GB-8624-2006-Class B-s1,d0,t0 and Class A.

DurkeeSox system meets or surpasses code regulations on fire safety in all countries and regions. DurkeeSox system is made of flexible material. It will drop down on shape but not crumple when doesn't work. To gain a better visual effect when the system doesn't run, you can choose a double row suspension system which will look a little bit like oval from underside view. This is almost no difference to what it looks like when fully inflated.You also can choose the system with tension ring, which can keep the good shape whenever it's inflated or not.

Ordinary DurkeeSox system is made of flexible material and can only work in a positive pressure of air supply system. But the system with tension ring can be used as transporting duct and return air duct.