Humio Water Tank Cap Assembly, HU15 Price:$5.45 Add Your Review Enter Quantity Facebook LikeGoogle Plus OneTweet Widget SHARE: DESCRIPTION:Replacement cap for the Humio's water tank. Details Reviews Q&A Support This is the cap that goes underneath the water tank of the Humio Humidifier. It unscrews so that you can refill the water in the water tank. Q&A for Humio Water Tank Cap Assembly, HU15 Ask A Question Your Name * Your Email * This allows us to send you a response by email. Question * What code is in the image? * Enter the characters shown in the image. Feel free to ask for help using the form below, or call us: Toll-free: 1-888-254-7336 International: +1-714-879-7150 Support Your Name * Your Email * Product Name * Support Request * What code is in the image? * Enter the characters shown in the image.