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These door hangers make it easy to warn people not to enter an area where an ozone treatment is in progress. Ideal for property managers, hotel operators, and commercial restoration companies. Slide the hanger over the door handle to make it obvious that occupants are not welcome during the ozone treatment. Available in quantities of 5, 10, or 25 (select in shop for pricing). Visit our information center page for instructions how to use your ozone machine safely.


  • Size: 4" x 11"
    Hole Diameter: 1.5"
    Paper: 14 pt Cardstock
    Finish: Gloss
    Printed Side: Front only