This BLACK+DECKER 9 inch twin window fan is ideal for enhanced indoor air circulation in any room in your home -- whether it's your bedroom, bathroom, kitchen, attic or elsewhere in your home. With convenient dimensions of 23.8" x 4" x 12.6" and a weight of only 4.5 lbs., our dual horizontal window fan with rust-resistant construction can easily accommodate any window from 22.5" - 33" Wide. This twin electric fan has 2 speed settings with mechanical controls, as well as a carrying handle for seamless transportation. Additionally, our outstanding twin window fan comes with accordion expanders that range from 22.5" - 33" as well as removable legs to accommodate the perfect window fit. Dual 9 poly fans are designed for maximum airflow. Removable legs allow you to transition from window to table or floor fan with ease. Our dual room fan is easy to install, requiring minimal tools and effort. Secure in place without any additional support! Our twin window fan can be manually reversed with a convenient dual-sided control dial to allow convenient exhaust fan functionality. Simply turn over the fan to convert to an exhaust for musky or stagnant air. Save on energy bills with a constant breeze and indoor temperature regulation thanks to this outstanding twin small window fan. Simply remove your window screen and install your new BLACK+DECKER 9 inch twin window fan and enjoy the cool and comfortable temperature and breeze.