The filter set is designed for Shark NV650 NV750 Series, including Shark Rotator Powered Lift-Away NV650, NV650W, NV651, NV651Q, NV652, NV750, NV750W, NV751, NNV752. NV752BRN, NV765, NV831, NV835, AX950, AX951, AX952. Replacement parts numberXFF650 &XHF650.Premium Quality filters improve cleaning performance and the powerful suction of your Shark vacuum. Without noise or clogging, feel the difference in your upgrade vacuum and enjoy the easier cleaning.Perfect replacement. So now can change out when waiting for the other filter to dry from cleaning.Washable and reusable. Recommended to replace the felt filter and the foam 3 months, the HEPA filter every 6 months to keep your vacuum at best performance, depending on usage.Compatible Model:Shark Rotator Powered Lift-Away Upright Vacuum NV650/NV650W.Shark Rotator Powered Lift-Away Deluxe Upright Vacuum NV651.Shark Rotator Powered Lift-Away TruePet Upright Vacuum NV652.Shark Rotator Powered Lift-Away Upright Vacuum NV750W/NV751.Shark Rotator Powered Lift-Away TruePet Upright Vacuum NV752.Shark DuoClean Powered Lift-Away Upright Vacuum NV831/NV835.Shark Rotator Powered Lift-Away Upright Vacuum NV651Q/NV752BRN.Shark Rotator Powe