The portable air conditioner with built-in 76 Pint dehumidifier function, fan modes, quiet AC cools rooms to 400 sq. ft, remote control, and LED display, keep most indoor spaces cool and comfortable with the portable floor air conditioner. This compact unit has front auto-swing louvers and multiple speed settings to choose from. It also rolls along on wheels and includes a window exhaust kit for quick and easy setup. Front swing louvers help circulate the cool air throughout the room. Choice of Fahrenheit and Centigrade degree temperature display. The full-function remote control operates a unit from across the room. You can also perform various operations through the Smart Life APP. Permanent washable filter screen – No “check filter” warning. We put two sealing plates in the packaging box of the unit, and the size range after connection is 94cm-127.5cm (37in-50.20in). We also have two spare parts need customers to buy them themselves: One short (40cm=15.75in),the size used with the standard board connection is 26.57in-38.58in ——the link: https://www.wayfair.com/home-improvement/pdp/shinco-air-conditioner-trim-kit-binc1022.html?piid=80894856 And one long (67.5cm=26.57in) with "Clip", the size used with the standard board connection is 53.15in-73.62in —— the link: https://www.wayfair.com/home-improvement/pdp/shinco-air-conditioner-trim-kit-binc1021.html