The AromaPro scent machine stands freely or can conveniently be mounted to a wall. This diffuser also has the option to connect to your home HVAC system, allowing you to scent your entire home with ease. The AromaPro uses cold-air diffusion technology to release nano particles into the air that leave behind no residue. This technology preserves the integrity of our aroma and essential oils, so you can receive the maximum olfactive and therapeutic benefits, without heat, evaporation, or diluting the oils in water or alcohol. The scent intensity is easily controlled through an external dial. Pair the AromaPro in a scent bundle to enjoy some of AromaTech’s most popular 100% Essential and Aroma Oil Blends. <br><br> AromaTech scent diffusers increase your health and well being by releasing nano particles and purify the air. Our fragrance diffusers are ideal for creating a unique and inviting ambience in your home and getting the maximum health benefits from your essential oils.