IMO-sign "This door to be kept locked on security alert" - IMPA 33.5824

Self-adhesive Mandatory Safety Sign (MSS) with the symbol for "This door to be kept locked on security alert". The sign is available in either white vinyl or photoluminescent Dura-Plate. The picture is showing the version in white vinyl. Size: 300 x 100 mm Material: White vinyl / Dura-Plate ISSA code: 47.558.24 IMPA code: 33.5824