POWERFUL COOLING: OMTech CW-5200 water chiller uses standard R410a refrigerant to keep laser cutting and engraving machines up to 150W nice and cool during use; its 10L/min(2.6 gpm) flow rate and 0.68kW(0.9hp) compressor can cool up to 1.52 kW (5186 BTU per hour).
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