Febreze Eureka Ef-6 Replacement Vacuum Filter Works with: AS1000, AS1040, AS1050, AND AS1100 SERIES VACUUMS. THE EF- 6 FILTER IS ALSO REFERRED TO AS EUREKA FILTER # 83091-1 AND 69963. AIRSPEED UPRIGHT VACUUMS THAT USE THE EF-6 FILTER CAN BE BAGLESS OR BAGGED. 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.