Old Model* GuruNanda's First Waterless Essential Oil Diffuser - Upgraded Plug-in 2.0, Natural Aromatherapy Diffuser and Air Freshener, Cool Mist Humidifier for Car Office Bedroom, Automatic Shut-Off
Large Area HVAC scent diffusers for Your Home – AromaTech
Moss Air - Refreshen and Hydrate with Nature's Breath by MOSSLAB — Kickstarter