Walmart has the Lasko 20" 3-Speed Box Fan (White, B20200) for $21 with free shipping with Walmart+ (30-day trial) or on $35+. Compact fan features a 3-speed motor, powder-coated box frame, and anti-corrosive safety grill.

Other fans on sale:

• Lasko 16" Oscillating Stand Fan for $30
• Lasko Cyclone 18" Quiet Oscillating Pedestal Fan for $50