This product is no longer offered by Condair plc (formerly JS Humidifiers)

Defensor MK4 resistive steam humidifier


Spare parts for the Defensor MK4 are no longer available.

For further help and advice please call us on +44 (0)1903 850200 or email

Models within the Defensor MK4 range include:

ST5-12 ST40-12
ST10-12 ST50-12
ST20-12 ST60-12
ST30-12 ST90-12

The equivalent humidifier from the current Condair range is the:
Condair RS resistive steam humidifier

Condair RS resistive steam humidifier

Innovative scale management for easy servicing, accurate humidity control and no disposable boiling cylinders.

Read more