Hollister m9 - Odor Eliminator Drops are odor neutralizer drops that can be used in an ostomy pouch to eliminate odors. To use, simply add 10 to 12 drops in the pouch before application or when pouch is empty. Label color: blue. Fragrance: unscented. Size: 1 oz bottle (bottle, box of 12), 8oz flip-top bottle (bottle, box of 6).