Cylinder Part #7543. Order only if you have a Lennox/Healthy Climate HC-35 or General Aire DS25 or DS35 Steam Humidifier.
Note: This low-conductivity steam cylinder is only for systems determined to have water with low mineral content.
*Note: With the bad water in the Denver/Metro area, we recommend replacing your pads twice...
Part #7746 Order only if you have a General Aire Model 5500 Steam Humidifier. Note:...