Images and designs are protected by copyright. © National Safety Signs Cold Vent Warning W30236From: $8.71 Select Size Choose an option225mm x 150mm300mm x 225mm450mm x 300mm600mm x 450mm900mm x 600mm Material Choose an option.55mm Steel1.6mm AluminiumCorflutePolypropyleneVinyl StickerClear *Select Reflective NoneClass 2 Reflective (Similar to Car Number Plates)Class 1 Reflective (High Prismatic Road Reflective)Luminous Material (Glow in the Dark, Emergency signs, NOT Road Signage) Protective Overlaminate Have Additional Instructions? Cold Vent Warning W30236 quantity Add to cart or quote You may also like… Flaring Without Warning W30237 From: $8.71 Add to cart or quote Related products Roll over Hazard W3027 From: $6.15 Add to cart or quote Do not enter W3014 From: $8.71 Add to cart or quote Open Door with Care W3024 From: $8.71 Add to cart or quote Boiling Water W3004 From: $3.51 Add to cart or quote