Beetro Room Air Cooler Y-90CBeetro Room Air Cooler Y 90C The Beetro Y 90C air cooler is a dependable way to beat the heat. It runs on regular household electricity and has a powerful fan that spins at 1350 rotations per minute. It's got a safety sensor to keep things safe during use, and its motor is made mostly of pure copper, which makes it durable and efficient. It can throw cool air a long way, and it even works during power outages because it's UPS enabled. With a big 90