Bionaire Digital Window Fan

The Bionaire Twin Window Fan is designed for maximum convenience and comfort. This unit is intended to fit double-hung, slider and casement windows, and the fan's two high performance 9" blades are engineered to draw in fresh cool air, exhaust stale indoor air, or exchange for full room circulation. Dimensions: 4.25" D x 24.25” W x 13” H Fan will fit window openings within: Width – 24.25”-34” Depth – 4.25” Height – 12.0” (minimum height) Weight: 8.8 lbs.