emartino1 year ago000Can you refill any flavour oil (not an Airwick product)?Show in original language (German)Anonymous1 year ago000 Helpful answerYes, that works. I always fill the empty bottles with distilled water and add 10-20 drops of essential oil.Show in original language (German)Comment1 commentAndrena1 year ago000Unfortunately, you can't.Comment2 comments