Osto MIST Odour Neutralising Apple Spray Osto MIST Odour Neutralising Spray is specially formulated to neutralise even the worst odour problems. Spray it once into the pouch when changing your appliance to eliminate odour or into the air to deodorise the room. Osto MIST Odour Neutralising Apple Spray has an orchard fresh apple scent. Osto MIST Odour Neutralising Spray is also available in Cinnamon & Sandalwood, Mint, Grapefruit & Blackberry.