Genuine Hoover filter bag. Fits Hoover vacuum cleaners. 3M HEPA filtration. No. 4010077C: Type: C, Filtration Type: HEPA, For Use With: Bottom fill Convertible models, Pkg Qty: 3, Package Type: Bag No. 4010005D: Type: D, Filtration Type: HEPA, For Use With: Dial-A-Matic models, Pkg Qty: 3, Package Type: Bag No. 4010008G: Type: G, Filtration Type: HEPA, For Use With: Handivac, Quik-Broom & Pixie (short bag), Pkg Qty: 3, Package Type: Bag No. 4010009H: Type: H, Filtration Type: HEPA, For Use With: Celebrity models, Pkg Qty: 3, Package Type: Bag No. 4010010J: Type: J, Filtration Type: HEPA, For Use With: Constellation (Slimline & portable), Pkg Qty: 4, Package Type: Bag No. 4010028K: Type: K, Filtration Type: HEPA, For Use With: Spirit models, Pkg Qty: 3, Package Type: Bag No. 4010037M: Type: M, Filtration Type: HEPA, For Use With: Dimension canister, Pkg Qty: 3, Package Type: Bag No. 4010038N: Type: N, Filtration Type: HEPA, For Use With: Portapower canister, Pkg Qty: 5, Package Type: Bag No. 4010063R: Type: R, Filtration Type: HEPA, For Use With: Sprint, Tempo, Hornet, & Portapower II, Pkg Qty: 5, Package Type: Bag No. 4010064S: Type: S, Filtration Type: HEPA, For Use With: S3629, S3530, Futura, & Spectrum, Pkg Qty: 3, Package Type: Bag No. AH10040: Type: Y, Filtration Type: HEPA, For Use With: U6454-900 WindTunnel, Pkg Qty: 2, Package Type: Bag No. 4010075Z: Type: Z, Filtration Type: HEPA, For Use With: U5134-900, Caddy Vac, & Soft Guard, Pkg Qty: 3, Package Type: Bag