I haven't done a side-by-side, but here are the specs of each:
Label: Fresh Era, Model: U162E (rebranded by TTI--aka: Oreck Classic U2200HHS; Riccar RSL1A, RSL3, RSL4, RSL5, RSL1AC, RSL3C, RSL5C Supralite; Simplicity F3300, F3500 Freedom; Hoover Signature C1320 & U4730; Rubbermaid 1868622; and...