GeneralAire 35-15 – Replacement Steam Cylinder (LC) for Models RS25LC/DS25LC GFI # 7543 The GeneralAire 35-15 is the low-conductivity replacement canister for 230V GeneralAire Elite steam humidifier models RS25, DS25, and DS25LC. The humidifier display panel will indicate when the cylinder needs to be replaced. Replacement intervals will vary depending on usage and water quality. Designed for a Conductivity range (microSiemens) of 125 to 400 us/cm (test the water before selecting).
