Dynaflux DF929 Defense concentrate is clear low solids liquid coolant that is specifically designed for closed-loop water cooled welding systems to insure steady flow rates in the most compact torches and keep the pump, chiller and flow controls operating at maximum performance. Don't make the expensive mistake of running heavy automotive antifreeze through your torch. Automotive antifreeze includes coagulants designed to plug small leaks, they plug the small passages in your water-cooled torch. When diluted, 1 part coolant to 1 part distilled or deionized water, coolant protects to -10F (-12C) and contains a lubricant additive to provide continious pump lubrication during operation. DF929 Defense Concentrated Coolant w/ Pump Lubricant (1 Gallon) 192N9000Elsewhere: $ 24.88Welding Direct Price: Additional discounts may be available for volume orders. To speak with a customer service representative for details, call, toll free, 1-866-568-3170 . Welding-Direct.com is in no way affiliated with the above named manufacturers. References to named machines, torches, welding guns and numbers is for your convenience only. Most parts advertised for sale are made by or for Welding-Direct.com; other parts, as indicated, are original parts (OEM) and are simply being resold by welding-direct.com. Copyright 2004 Welding-Direct.com. All rights reserved. Details on our Free Delivery policy may be found on our Information page.