VAPCO Low Temp Leak Detector Bubbles are formulated to be used above or below 32°F. Will not harm metals, plastics, rubber or other materials. Suitable for most refrigerants and other natural gas systems. Fluorescent dye in the solution increases visibility of bubbles.
Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov