Dirt Devil,Royal Bagless Upright Model 084590 Exhaust Filter Part # 1LV1130000 Dirt Devil,Royal Bag-less Upright Model 084590 Exhaust Outlet Filter Fits Models : UD40270, UD40285, UD40270RM, UD40350, M084590, M085850, UD40000, UD40005, M085850RED. Part # 1LV1130000.