Clip coupon on product page, then apply coupon code 'D5KUB63W' at checkout. Shipping is free. TOPPIN humidifiers for bedroom spray strong and visible stream of mist, adding moisture to dry air and increase humidity levels, moisturizing your skin and alleviating allergy symptoms, perfect for use in living room, bedroom, large room and any other room at home or in office. Use the dial underneath to adjust the amount of cool mist output, and the 360° rotatable nozzle makes it easy to adjust the direction mist goes.