Fire protection cable sealing pillow S90 H=35mm 4 pieces. Fire protection pillows for creating cable seals of fire resistance class S90 according to DIN 4102, designed to close openings in internal walls and ceilings (min. F90, according to DIN 4102-2) through which cables and lines are passed, preventing the transmission of fire and smoke through these openings for a fire resistance duration of 90 minutes. Building authority approved, approval number Z-19.15-2162. Note: Can be combined with other pillow dimensions as well as fire protection mortar.