Answer: oxi

AnswerCrossword Clue
OXICommercial prefix with Clean
OXI...Clean
OXI-- Magic (Clorox stain remover)
OXI"Clean" attachment for a product hawked by Billy Mays
OXI... Magic (Clorox brand)
OXI... Magic (stain remover)
OXILead-in to Clean
OXICommercial lead-in to Clean