A fan assembly (102) for use in an appliance (100) provided with a housing (104) including a first sidewall (106) forming a first outlet (108) and a second outlet (110), a fan (112) disposed in the housing (104) and configured to expel cooled air through the first outlet (108) and the second outlet (110) to a number of compartments (132, 134, 136) of the appliance, a damper (114) including an annular rim (156) and a second sidewall (518) extending from at least a portion of the annular rim (156), the damper (114) configured to rotate to completely or partially cover the first outlet (108), the second outlet (110), or the first outlet (108) and the second outlet (110), and a wiper (120) including a main body (122) disposed between the first sidewall (106) and the second sidewall (158) and configured to block the cooled air from traveling between the first sidewall (106) and the second sidewall (158).