Model Number: Sbd-131 Brand Name: Silver Bell, Scent-O-Tone Key Specifications/Special Features: Green energy productsUses air natural convection of design and passed US invention patentWithout electricity, whenessence storage of air by way of passive principle up to exhaustPVA essence storage cable to adsorption 80-100 essence oilPVA material cable can be resolved and other body material cable can be recycledVarious colors are availableCustomized orders are acceptedOEM is acceptedThis product photo is taken onsite during China Sourcing Fair, Hong Kong, Springcontact supplier for more information