Discover the elegance of scenting your entire house. With its HVAC system connection, the Presidential Scent Diffuser makes it simple and effective to scent different spaces at a pre-selected aroma concentration level. Easily control when scenting happens with its built-in digital timer. <br> <br>The Presidential Scent Diffuser transforms fragrance oil into a dry nano-mist by using cold-air diffusion technology. This technique provides greater coverage and a longer duration of fragrance suspension in the atmosphere. It maintains the therapeutic qualities of our fragrance oils without changing their scent because it uses neither heat nor water. For kids and dogs, this kind of cutting-edge atomization technology is safe and residue-free. <br> <br>Features <br> <br>- Scents up to 3,000 square feet <br>- Built-in fan for consistent coverage <br>- HVAC connection capabilities <br>- Waterless, heatless technology <br>- No residue <br>- Safe for pets, children, artwork, and furniture <br>- Programmable weekly timer that allows up to 4 unique operating periods <br>- Dimensions: 10 ¼&quot; x 6 ½&quot; x 7 ½&quot; <br>- Pairs with 500 ml oil bottle