Philips Respironics System One "60 Series" Heated Humidifier For REMstar CPAP & BiPAP Machines W023 45 M 080 Has a programmable timer cx418adda elr Has a programmable timer Drive tips fit your cane perfectly When in use SystemOne Heated Tubing will work in concert with your humidifier's automatic adjustment capabilities to reduce and eliminate condensation and rainout while increasing overall humidity DRY BOX TECHNOLOGY FOR SAFETYThrough the combination of a cleverly designed water chamber and an advanced "Dry Box" design the System One Heated Humidifier virtually eliminates the risk of water spillage and ingress into the device