Check the listing for details. Glass Essential Oil Diffuser Wood Grain Base, 280ml Aromatherapy Diffusers Co.... Color: Yellow-2, Condition: New. Listed at 67.95 USD. The diffuser will automatically shut off once the water runs out, ensure safe use and prolong working life. Non toxic and high-qualityHarmless to pets and plants, The diffuser is made of BPA-free plastic, and the artisan handcrafted glass cover so you can see the smoke wafting inside.