EnviroCare Replacement Allergen Vacuum Bags for Hoover WindTunnel, Futura, Spectrum, Constellation Type S 3 Pack EnviroCare Replacement Vacuum Bag Compatible with 4010808S / A109 / Style S Fits Hoover Part 4010806S, 4010808S, 4010100S, 4010064S, 4010344S Filtration Type : Allergen with Closure Style: S Captures The Following: - Mites - Pollen - Household Dust - And Other Particles