Make sure that the air you breathe is always clean and fresh. The HD Filter is really effective at capturing dust, airborne contaminants and allergens, such as pollen, mold spores and pet dander. And it’s also washable, so all you need to do is give it a quick rinse in water and then reuse it. Cool a whole room rapidly and effectively. Fast Cooling mode operates with the fastest fan speed, before slowing down. So it cools or heats much faster compared to the normal mode* and reaches the desired temperature in the shortest time. It’s ideal for immediate relief from the heat outside. Hisense 1.5 Ton Split Air Conditioner Piston Compressor 18000 BTU White Model AS18CT4FBADA01 -1 Years Full & 5 Years Compressor Warranty.