SPT Portable Cooling/heater, 7500 BTUs, WA-7500M .. size w16" x L16" x Height 30" ... cools up to 200ft tent/sm cabin etc ... self-evaporative technology that allows it to save energy while taking moisture from the air to cool down the coils.
Kleen-Screen™ Air Conditioner Coil Filter -- improve energy efficiency; protect A/C unit from 95% of most debris that can clog your air conditioner condensor. Easy one-person installation. Dust to clean. About $30.00.