m9 Odour Eliminator Drops. Odour eliminator drops to be placed inside ostomy pouch. Use 10-12 drops in the pouch to help eliminate odour when pouch is emptied. Appropriate for use with colostomy and ileostomy pouches. Use with each pouch change or after emptying. Features: Blue colour, Unscented, Comes in flip-top bottle, Not made with natural rubber latex.