Walmart offers the Holmes Dual Blade Twin Window Fan
, model no. HAWF2021-WMUM, for $22.44
charges the same for Prime members and Target
charges a buck more.) Opt for in-store pickup
to dodge the $4.97 shipping fee. That's the lowest price we could find by $6. It features twin 6" blades, adjustable extender screen, extender panel, replaceable 5-amp fuse, and two speed settings.