Remove Odours Automatically with ONA Mist Dispenser – Portable, Controllable & Affordable. The ONA Mist Dispenser is available at a really affordable price point. With control settings for night, day or 24 hours mode. There are also three programmable spray intervals for a fully automated way to remove odours. Small and portable, the ONA Mist Dispenser is an excellent device for controlling odours in small areas such as kitchens, toilets, caravans, garages etc. Each automated spray from the ONA Mist Dispenser will release a fine mist of ONA Odour Neutraliser into the air to remove odours that are present. Leaving your room smelling clean and fresh. ONA uses a natural formula and is safe to use around people, pets and food. For use with ONA Mist only.