Mandatory Sign:Breathing Apparatus Must Be Worn In This AreaAvailable in the following sizes/materials:300 x 225mm Metal300 x 225mm Polypropylene450 x 300mm Metal450 x 300mm Polypropylene600 x 450mm Metal600 x 450mm Polypropylene600 x 450mm CorfluteIf you require a size/material not listed here, please contact us here, quoting sign number 137 and we will work on a custom sign solution for you...