Think Crucial 1 Eureka/Electrolux Oxygen Motor Filter, Fits Oxygen Canister Models 6994, 6997 & 6999, Compare to Part # 61263 & EF54 1 Eureka Oxygen Motor Filter Fits Oxygen Canister Models 6994, 6997 & 6999 Compare to Part # 61263 Designed & Engineered by Crucial Vacuum