(4) 60286 Eureka HF-1 HF1 Hepa w/activated Charcoal vacuum Filter, True Hepa, Excalibur, Europa, Oxygen & WhirlWind Canisters, Whirlwind upright bagless series, Sanitaire Precisions & System Pro, Red Electrolux Canister vacuum cleaners, 60286A 60286B 60286C