EAN: 4015627364561 - manufacturer-number: DL50R - Material stainless steel, Nominal duct diameter 298 mm, front diameter 300 mm, Installation depth 530 mm, With wire mesh no, With insect screen no, With pressure relief flap, blowing out no, With pressure relief flap, suction no, With counterrotating flap valve no, With equal rotating flap valve no, With mounting frame yes, Lockable no, Motor controlled no - DL 50 R