30 ELECTROLUX APTITUDE AND OXYGEN UPRIGHT MICROFILTRATION VACUUM CLEANER BAGS Fits: Electrolux, Harmony, Oxygen, Oxygen Ultra canister, Eureka OX and BB, Sanitaire SP6950 and SP6952 vacuum cleaners 30 OX Bags Electrolux Sanitaire S Oxygen Ultra Harmony Eureka BB Bags Replaces original manufacture part numbers: 61230-12, 6123012 EnviroCare Premium aftermarket Part # 135-9