Replacement Water Chamber for Luna II Heated Humidifier 3B Medical Sale! from $ 26.50 USD /per 39389099753568 One-time purchase: Subscribe & save (5%): Delivery every 6 Months 12 Months Subscription details x How subscriptions workProducts are automatically delivered on your schedule. No obligation, modify or cancel your subscription anytime. Learn more... Produc variants Default Title Qty. Add to Cart Couldn't load pickup availability Refresh Replacement water chamber for Luna II CPAP and APAP heated humidifiers. Recommended replacement schedule: every 6 months.