Eco-Air, the powerful battery-free air freshener for medium size spaces. The Eco-Air Dispenser outperforms gels, wicks, and aerosols using unique fragrances that are designed for consistent and powerful 30-day performance. The Eco-Air is freshness made simple. The refill is a solid that has been infused with natural fragrance oils so the air you breathe is chemical free and there's no messy gels or liquids. The Eco-Air Dispenser can go wherever needs freshening. From conference rooms and entryways, to restrooms and trash rooms. Simply mount it on the wall near a door so the natural air flow can spread the fragrance throughout the space.