Sub comparaison()
Application.ScreenUpdating = False
Set F1 = Sheets("B")
Set f2 = Sheets("F")
For I = F1.Range("C" & "65000").End(xlUp).Row To 1 Step -1
For k = f2.Range("I" & "65000").End(xlUp).Row To 1 Step -1
If F1.Cells(I, "C") = Replace(f2.Cells(k, "O").Text, Chr(160), vbNullString) _
And F1.Cells(I, "E") = f2.Cells(k, "I") Then
F1.Rows(I).Delete
f2.Rows(k).Delete
End If
Next k
Next I
End Sub