Hoover HOOVER 38765019 SECONDARY FILTER Hoover Wind-tunnel Upright Pre-Motor Filter Fits Models U6485-200B, U5472-900, U5491-900, U5473-900, U6434-900, U5435-906, U6445-906, C1703-900, CR50005, U6485-100, U53029RM, U6485-900, U5404-900, U5491-950, U5140-900, UH30070, UH30085, U64019RM, U5146-900, U5458-900, U5470-900, U5436-950, U6476-910, U5148-900, U5438-960, U6476-900, U5409-955, U6420-900, UH30015, U5460-900, U5473-900W, U5416-900, UH50000, U5402-900, U5467-900, U5453-900, U6454-900, U6436-900, U5155-900, UH30030HD, U54219RM, U5348-911, U53019RM, C1705-900, U5150-900, U5458-910, U6471-900, U5156-900, C1701-900, U5468-900, U5462-900, U5145-900, U6485-900B, U5481-980. Fits Under The Paper Bag Genuine Part # 38765019