【Suitable for 4 inch Diameter Round Vent & Duct Fan】Our window ... and draw in fresh air.also can use with portable air conditioner window vent kit, dryer vent window kit, greenhouses grow ...

Portable air conditioners are intended for homes ... Once the hose is connected to the kit in the window (to vent it outdoors), you won’t want to move the unit. In addition, most portable ...