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Amazon.com: BIONAIRE Premium Digital 8.5" Twin Window Fan, Reversible Airflow Control, Exhaust and Intake, 3 Speeds, Extender Panels, Programmable Thermostat, LED Temperature Display, Remote Control, Light Grey
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Sharper Image Portal 23.85 in. 3-Speed Window Fan with Reversible Exhaust Mode FA1-0135-43 - The Home Depot
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