Shark Genuine NV650/NV750 Foam & Felt Filters. Fits Models NV650, NV650W, NV651, NV652, NV750W, NV751 & NV752; Part #XFF650, OEM Filters OEM Foam/Felt Filters- Fits Models: NV650, NV650W, NV651, NV652,NV750W, NV751 &NV752 Genuine Part Number XFF650 It's recommended that you check your filters regularly to maintain top performance of your vacuum OEM Shark Brand Filters