Made in the U.S.A of bounty compromising rubber, the TEKTON 50 x 1/2 in. I.D. Rubber Air Hose Superior performance in extremum conditions. It easy and slowly to work with, even at a wintry 40 degrees F below zero. At temperatures as high gear as 190 degrees F, spiral yarn prevents heat-related wall failures like swelling or bubbling. state of matter brass end connectors never and seal better against leaking than aluminum, steel, or zinc. Bend restrictors the strain nearly hose ends, preventing kinks that choke off air flow and can damage the hose over time. CALIFORNIA WARNING : This product chemicals, including pass, known to the State of California to cause cancer, birth defects or past procreative harm. Please your hands after use.