The Autoflo humidifier are available in steam style, bypass style and powered type. The model you need is dependant upon your capacity requirements as well as how your ductwork is installed. Below are all the presently made Autoflo humidifiers. Click on one to see its detailed information. If you need parts for your Autoflo humidifier those are also in stock but you will need to click on the Other Models link on the left to locate your specfic models parts list.