OBO Bettermann 7204030 PMB 610-3 A2 three-sided fire protection box

Fire protection box as a sealing system made of a one-piece stainless steel housing with intumescent fire protection inserts. Can be used in walls on the subfloor, beneath system floors and as a sealing of risers in ceilings. The interior can be completely covered with installations. Indoor use. Sealing of the remaining openings with PYROSIT® NG fire protection foam, particularly easy for difficult geometries. CE-marked construction product with general type approval. Fire resistance class EI90 (fire-resistant). Includes graphite strips.