They're Easy to Use
Simply push the button on the bottom of the unit and rotate the desired port to the large "ON" arrow for treatment. This shuts off gas from one port and redirects it to the port to which another device is connected. When the optional treatment is finished, simply push the button on the bottom of the unit and rotate the desired port to the large "ON" arrow.

They're Durable
The select flowmeter combines the durabilty of a metal flowmeter with its male connection along with a tough nylon body.

They're Dependable
The housing and flow tube carry a lifetime warranty and the needle valve carries a five-year warranty.

They're Versatile
The select flowmeter allows you to direct the output of the flowmeter to any ONE of the three outlet connections.

They Save Time
You can deliver a nebulizer treatment without disconnecting the humidifier.