7" Twin Window Fan with white finish; Slim profile to maintain outside view; Two quiet, energy-efficient speeds; Can be positioned for air intake or exhaust; Expander panels for a custom fit; Fits windows from 22" to 34" wide; Fully assembled for window use (snap-on feet included for table or floor use); Includes a patented, fused safety plug; E.T.L. listed; 21-3/4" L x 4-3/4" W x 10-1/2" H