Hollister M9 7717 Odor eliminator Drops for Ostomy Pouches 8oz bottle. Have 12 bottles available, Sell for $19 each. If post is up they are still available. Hollister m9 Drop Deodorizer helps to keep ostomy pouches odor-free. The process of changing the ostomy pouch gets a bit uncomfortable due to the bad odor produced by the ostomy waste. Hollister odor deodorizer drops eliminate such bad odors and make the environment fresh and pleasant. These odor-removing drops can be used in both ileostomy and colostomy pouches, and they create a more friendly environment whether youre draining your pouch or switching systems. It consists of ingredients that help to kill germs and prevent infections.