Suggested Retail:$41. Amazonbasics Amazonbasics Humidifier, 4 L, Black. Ultrasonic cool mist humidifier with nightlight, aroma diffuser, and auto-sensing technology. Tray for essential oil blends to invigorate or relax you; includes tank cleaning brush. Button controls and adjustable direction nozzle; auto shut-off function and 12 and 24 hour working modes. Large water tank opening, flat bottom, and hand grip for easy filling from any faucet; 4 liter tank capacity. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.