Portable Humidifier Cap | 19 Insanely Clever Gifts You'll Want To Keep For Yourself  For only $34, any water bottle can become a life-giving source of air moisture. Give it as a pointed gift to that one dude in your office who won’t stop coughing. Gadgets, Life Hacks, Humidifier, Inventions, Portable Humidifier, Gadgets And Gizmos, Gadget, Tech, Cool Gadgets