The Cool-Arc™ 40 (115 volt) is a reliable and affordable water cooler for water-cooled MIG or TIG as well as plasma cutting applications. The Cool-Arc 40 features a rugged industrial pump manufactured by Pro-Con®, the leading pump manufacturer for welding water coolers. This pump is an industry standard, making the Cool-Arc 40 easy to service and maintain. The Cool-Arc 40 operates smoothly and minimizes vibrations that would otherwise be transferred to the welding torch. Compatible with all Lincoln water-cooled systems including Cobramatic®.