●??????????????????: Note that mixing this fluid with other coolants may lead to unwanted chemical reactions. Similarly, using automotive antifreezes in your laser will deteriorate its output power and lifespan because of their higher viscosity and pH levels. ●???????????????????? ?????????? ??????????????: OMTechs CW-5200 water chiller with 1.6 gallon (6 L) tank uses standard R410a refrigerant to keep laser cutting and engraving machines up to 150W nice and cool during use; its 2.6 gpm flow rate and 0.9hp compressor can cool up to 5186 BTU per hour ●???????? & ???????? ??????????????????: This industrial water cooler features internal sensors to keep temperatures within 0.3C of constant, clear observation window, high-grade ports, and indicator lights and alarms to ensure your machines smooth operation ●????2 ?????????? ??????????????: The included 1.1 gallon CO2 laser antifreeze coolant (bittering agent included) with low conductivity protects your laser tube from freezing and bursting even at -31F, quickly removes excess heat, and protects against erosion ●?????????????????? ??????????????????????????: Our powerful laser engraver water cooling system and blue transparent liquid cooler boast ultimate versatility, compatible with all CO2 laser engravers; simply add the prediluted laser water coolant to the chiller’s tank for immediate use ●???????????????? ?????????????? & ??????????????: Order OMTechs water chiller and laser coolant bundle today to enjoy fast US-based shipping (in 2 separate packages), strong 1 year general support for the chiller and 2 years for the coolant (3 months for unsealed use), and ever helpful 24/7 customer service