Designed for refrigeration and air conditioning use, this Lawton Tube 3/8 21SWG coiled tube, supplied in a 15M length, has been cleaned, nitrogen-purged and capped. The tube is covered with a seamless plastic coating for reliable protection from abrasion and aggressive materials. Nitrogen purged and capped to reduce contamination. Complies to BS EN 12735-1:2016. Air Conditioning and Refrigeration. Maximum working temperature (C). Please Note: Due to the fluctuation in the price of copper we reserve the right to amend prices without prior notice.