Description The EM-R round type sealing device combined by two half round flexible diameter sealing parts and frame. The inner cable modules can be adjusted according to the cable / pipe diameter. It provides protection from fire, smoke, water and blast pressures, where cables and pipes penetrate the building walls and floors. Drawing Dimension Installation ShowroomChina Passive And Electrical Fire Protection manufacturers website:http://www.firestopchina.com/passive-and-electrial-fire-protection/