Hoover Wind-tunnel Upright Vacuum Style 4 Final Filter 2 Pk Part # 40110004 Hoover Wind-tunnel Upright Vacuum Cleaner Style 4 Final Filter 2 Pk Fits Models : EH51000, UH30085, UH30070, UH30030HD, UH30015, U5491950, U5491900, U5473900, U5472900, U5404900, C1710900, U5018900, U5016900, U5014900, U5481980, U5467900, U5462900, U5460900, U5458900, U5453900, U5436950, U5348911, U5150900, U5148900, U5145900, U5144900, U5458910, U5140900, U54219RM, U53029RM, U53019RM, U52729RM, U52719RM, U5470900, U5468900. Genuine Part # 40110004