The LASKO Wind Curve 42in. Oscillating Tower Fan with Fresh Air Ionizer is a portable stand-alone fan with slip-resistant feet. The fan is 42 in. tall for excellent air circulation and features 3 quiet speed settings. For indoor use, the fan features a fresh air ionizer. The fan can be set for 1/2 - 7-1/2 hours of use with an electronic timer and includes a multi-function remote control for convenience.