Itho Daalderop HRU ECO 350 filters
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OriginalExtract filter size: 400x130x20 mmSupply filter size: 400x130x20 mmFilter class (EN779): F7+F7Filter quantity in a set: 2 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicGeneral dust and particle filtration
Pollen and moldCaptures pollen, mold spores, and other allergens
Smog and bacteriaProtects against allergens and urban pollution
OriginalExtract filter size: 400x130x20 mmSupply filter size: 400x130x20 mmFilter class (EN779): G4+G4Filter quantity in a set: 2 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicGeneral dust and particle filtration
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We’ve gathered answers to the most common questions about our products and services. If you can’t find an answer here, please contact us directly.
What filter class fits an Itho Daalderop HRU ECO unit?
For each HRU ECO size we stock two original sets:
- G4+G4 — coarse filters on both sides, the standard option
- F7+F7 — fine F7 (ePM1) filters that also catch pollen and fine dust
The F7 set is the better choice for allergy sufferers or homes near busy roads.
My Itho Daalderop HRU ECO filter indicator is on — what should I do?
The filter indicator on HRU ECO units is a maintenance reminder. Check the filters, fit a new set if they are dirty — which they usually are after 3–6 months — and reset the indicator as described in your manual. Resetting it without changing the filters only postpones the reminder while airflow keeps dropping.
How fast can you deliver Itho Daalderop filters within Germany?
In-stock Itho Daalderop filters typically arrive within 1–3 business days anywhere in Germany. The brand is Dutch and its HRU ECO units are most common in the western regions near the Dutch border, so we keep both filter classes for them in stock to avoid delays.
Which Itho Daalderop units does your catalogue cover?
We stock original filter sets for the Itho Daalderop HRU ECO range — HRU ECO 150/200 and HRU ECO 350 — one of the most widely installed balanced ventilation units in Dutch new-build housing. The model code is usually printed on a sticker inside the unit's front cover.
Do the HRU ECO 150/200 and HRU ECO 350 use the same filters?
No. The HRU ECO 150 and 200 share one filter size, while the HRU ECO 350 takes a different set. Check the model code on the sticker inside the front cover before ordering, then choose G4+G4 or F7+F7 in the matching size.
I rent a flat with an Itho Daalderop unit — am I or my landlord responsible for changing the filters?
In practice this depends on your tenancy agreement rather than on any general rule, so that is the first place to look. Filters are a consumable rather than a repair, which is why some landlords treat them like a light bulb and expect the tenant to handle them, while others cover them through a maintenance contract for the building and have a technician fit them during a scheduled visit. If the agreement is silent, ask the landlord or the property management before assuming — and note that a unit running on saturated filters is a problem for both parties, since it moves less air and uses more electricity. We can supply the filters to whichever party ends up ordering them.
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