Somnetics 28434639880288 One-time purchase: Subscribe & save (5%): Deliver every 6 Months Subscription details x How subscriptions workProducts are automatically delivered on your schedule. No obligation, modify or cancel your subscription anytime. Learn more... Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart Replacement Water Chamber for the Transcend Heated Humidifier is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. Replacement water chamber for the Transcend heated humidifier from Somnetcs. Recommended replacement: every 6 months.