Avoid potential regulation fines when shipping oxygen, refrigerated liquid. Put Labelmaster's UN 1073 Oxygen Placards to work. Pre-printed with the four-digit UN Number, these DOT placards are what you need for shipping Oxygen, Refrigerated Liquid and meeting the requirements of 49 CFR 172.500 for domestic and international shipments of hazardous materials by highway, rail and water. They also pass IMO's 90-day sea water immersion test (IMDG 5.2.2.2). These Hazard 2 placards are printed on permanent vinyl with a high-tactile adhesive backing that makes it ideal for permanent applications or dedicated equipment. Yellow and black, these Hazard Class 2 placards measure 273 x 273mm and are sold in packs of 25 or cases of 900.