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KWL EC 340 D Filters
The KWL EC 340 controlled domestic ventilation system from Helios requires air filters, which should be replaced every 6-12 months. Earlier or later depending on the location of the property. You can find out what you need to look out for on our information pages.
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Filter change planner
Create a reminder for your calendar.
Your benefits
Free notify service
Installation guide with every order
Order also possible without registration
Excellent quality according to EN779 and ISO16890