Febreze Hoover T-Series Replacement Vacuum Filter Works with: HOOVER T-SERIES WINDTUNNEL, WINDTUNNEL PET, WINDTUNNEL REWIND, WINDTUNNEL REWIND PLUS, WINDTUNNEL PET REWIND AND WINDTUNNEL PURELY CLEAN BAGLESS UPRIGHTS Febreze Vacuum Filter - Eliminates Odors and Freshens as you Vacuum! Premium allergen filtration Did you know that your vacuum has filters that should be checked frequently? Depending on your household, it is recommended that you replace your vacuum filters every 3 to 6 months. Refer to your BISSELL vacuum owners manual for replacement instructions.