Run a Warm Mist Vaporizer. I prefer the warm mist because I am only using it during periods of congestion which when used with the Protection blend (can not do this with a cool mist version) amounts to 1-2 days. Add 5 drops to the oil reservoir (the unit must have a reservoir specifically for this purpose) about every 3-5 hours.
Two sample models of Warm Mist Vaporizer (This unit boils the water to provide a visible mist that is 95% bacteria free.)
***You are looking for a model that has the oil reservoir where you will put 5 drops of Protection Concentrate every 3-5 hours.***