ventilation fans
jarden home environment hawf2021 x h dual blade window fan
the holmes hawf2021 twin window fan is designed to fit into most double hung and slider windows quiet operation makes this ideal for use in living rooms or bedrooms also includes an adjustable extender screen and extender panel for larger windows twin blade operation ; two quiet speed settings ; manually reversible ; adjustable extender screen ; bonus extender panel sku dhhawf2021