Itho Daalderop MVHR filters
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OriginalExtract filter size: 258x152x20 mmSupply filter size: 258x152x20 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
OriginalExtract filter size: 258x152x20 mmSupply filter size: 258x152x20 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): 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
1-4 of 4Discover our range of replacement filters for your Itho Daalderop ventilation unit, all made in the EU! Our selection includes high-performance filter sets available in G4 (ISO Coarse 65%) or F7 (ISO ePM2.5 70%), designed to protect your system and improve indoor air quality. Whether you’re looking for original Itho Daalderop filters or affordable house brand alternatives, all our options are quality-tested and fully compatible with Itho Daalderop MVHR units. Model compatibility
This category includes filter sets compatible with all major Itho Daalderop MVHR ventilation units, including:
- HRU ECO series
To ensure the right fit, it’s important to know the exact model of your ventilation unit, as different models require different filters. You’ll find helpful tips on identifying your device in the FAQ section.
Filter types and what they protect against
Our replacement filter sets for Itho Daalderop units are designed to ensure optimal air quality and system performance by offering separate sets with G4 or F7 filters:
- G4 filters (ISO Coarse 65%) on the extract and supply side: ideal for capturing larger particles like soil particles, large pollen grains, plant debris, insect wings, sawdust, sand and textile lint.
- F7 filters (ISO ePM2.5 70%) on the extract and supply side: high-efficiency filters that capture very fine particles, including bacteria, smog, tobacco smoke particles, combustion dust, spores, and wildfire smoke particles.
Usage and maintenance
To keep your MVHR system running efficiently and your indoor air clean, we recommend replacing the filters every 3–6 months. However, this depends on your environment, if you have pets, or nearby construction.
To make the process easy, we provide step-by-step replacement instructions for each filter model. You can find them under the “How to change” tab on every product page.
Manufacturing quality you can trust
The original Itho Daalderop filters are manufactured in the Netherlands, combining Dutch engineering precision with high standards of indoor comfort, air quality, and environmental responsibility. Our carefully developed house brand filters are also made in the European Union by certified manufacturers. Both are produced with high-quality materials, under strict ISO 16890 standards to ensure high filtration performance and reliability.
Need Help? Start Here.
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.
Are the Itho Daalderop filters you sell original?
Yes. All the Itho Daalderop filter sets we stock for the HRU ECO 150/200 and HRU ECO 350 are originals, so their size and seal match the unit's housing exactly. For each size you can choose a G4+G4 or an F7+F7 set.
Which Itho Daalderop heat recovery units do you have filters for?
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.
Which filter class fits the Itho Daalderop HRU ECO 350?
For each HRU ECO size, including the HRU ECO 350, 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 do I find out the exact model of my Itho Daalderop unit?
To order the correct filters, knowing just the series name (HRU ECO) isn't enough — you need the full model code:
- Open the front cover — the code is usually shown on a sticker next to the filter compartment
- Check your installation documents or purchase invoice
- If you can't find the code, measure the old filter (length, width, thickness) and compare it with the dimensions in our catalogue
The HRU ECO 150 and 200 share one filter size, while the HRU ECO 350 takes a different set. The exact code ensures the new filter fits snugly into the housing and doesn't let unfiltered air leak in around the edges.
How often do Itho Daalderop HRU filters need replacing?
The usual interval for Itho Daalderop HRU units is every 3–6 months, and most models also have a filter indicator on the unit or in the app that tells you when it's time. In practice, homes near busy roads, with pets or with allergy sufferers should lean towards 3 months, while a quiet suburban home can often go 6. If the indicator comes on earlier than expected, it usually means the outdoor air has been dustier than usual – for example during the spring pollen season – rather than a fault with the unit.
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