Two window air conditioners, size 18 units, used for only a year and a half. The first is a Hisense air conditioner, a well-known company. Its new price is 1150﷼, selling price is 750﷼. It doesn't need anything, just install and use. The second is a Ze-Trust air conditioner, 18 units. Its new price is 1300﷼, selling price is 750﷼. It doesn't need anything, just install and use.