Dynamic H&B via Amazon offers the Natrogix Totem 150ml LED Essential Oil Diffuser / Cool Mist Humidifier for $12.99. Coupon code "DIFFUS31" drops it to $8.96. Plus, Prime members receive free shipping. That's $4 off and the lowest price we could find. It features seven LED colors and interval and continuous mist modes. Deal ends July 16.

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