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You have made a good choice with the purchase of a Helios ventilation unit.
For good ventilation, the heat recovery filters must be replaced regularly.
Original replacement filters are a significant cost factor, so compare our replacement filters here as a cheap and high-quality alternative to your ventilation unit.
At wtw-filtershop.nl you can buy high-quality replacement filters with an ISO16890 filter class, and are produced by hq-filters.nl
These high-quality filters replace original filters from Helios ventilation units and come with an attractive volume discount