The narrow profile window cooler pump is intended as a replacement pump for both brands of narrow-profile window mounted evaporative coolers. It is UL classified for safety and features a low level design ensuring normal operation even if the cooler's water level drops to as low as 1/2 in. WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. -