ZVac Compatible EF-6 Replacement Eureka Airspeed Generic HEPA Type Filter Part # 83091-1 & 69963-4 AS1050 & 4230 Series Upright Vacuums, White Eureka EF-6 Filter Designed to fit Eureka Airspeed upright vacuum cleaners. Eureka EF-6 Hepa Vacuum Filter by ZVac