Paul ISO Defroster DN 160 filter G4 (house brand)
Paul ISO Defroster DN 160 filter G4 (house brand)
Filter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
General dust and particle filtration
Key features of this product
Certified quality to international ISO standards
Manufactured entirely within the European Union
Effective filtration for up to 6 months.
Price for set
Model compatibility
Compatible with the following models:
- Paul ISO Defroster DN160 (Paul ISO-Filterbox DN 160)
- Paul ISO-BOX DN 160/2000W
What this filter protects against
This product includes 1 filter:
- Supply filter – G4 (Coarse 70%) – for indoor air protection
This filter follows the ISO 16890 standard for particle filtration efficiency. The G4 filter captures up to 70% of coarse airborne particles that are larger than 10 microns, such as soil particles, large pollen grains, plant debris, insect wings, sawdust, sand and textile lint. It cleans the outdoor air supplied into your home, improving indoor air quality and protecting your health. This helps reduce visible dust, lowers energy consumption, keeps the system running quietly, and extends its lifespan.
Usage and maintenance
Paul recommends replacing the filter every 6 months to ensure optimal air quality and system performance. However, replacement frequency may vary depending on factors such as:
- Air pollution levels (e.g. urban vs rural areas)
- Allergies or respiratory sensitivities
- Indoor pets or smoking
- Dust from nearby construction sites
If your system includes a filter change indicator, follow its alerts. Otherwise, check the filter visually – if it appears very dirty or clogged, it's time to replace it.
Manufacturing quality
This filter is part of our carefully developed house brand, manufactured in the European Union by trusted manufacturing partners who follow our strict quality requirements. Our strong cooperation with production partners, combined with our own quality inspections, ensures reliable performance and consistent quality.
This panel filter is made using Z-line technology, with densely folded filter media mounted in a cardboard frame. Such design maximises the filtration surface area, enhancing particle retention and airflow efficiency. This kind of construction offers a larger effective filtration area, more uniform airflow distribution, improved particle capture, and a lower pressure drop.
Original product codes
- 524000810
| Filter Type / EN 779 Class | ISO 16890 Class | Efficiency (%): Coarse (>10 µm) | PM10 (≤10 µm) | PM2.5 (≤2.5 µm) | PM1 (≤1 µm) | Gas/VOC Removal | Real-Life Particle & Pollutant Examples |
|---|---|---|---|---|---|---|---|
| G1 | ISO Coarse | ~40% | <10% | ~0% | ~0% | Sand, textile fibers, carpet fluff, plant debris, insect wings, visible lint | |
| G2 | ISO Coarse | ~50% | <15% | ~0% | ~0% | Sawdust, hair, coarse textile particles, large flakes of paint or rust | |
| G3 | ISO Coarse | ~60% | <25% | ~5% | ~0% | Coarse dust, lint, animal hair, some pollen | |
| G4 | ISO Coarse | 65-75% | 25-35% | 10-15% | <5% | Large pollen grains, soil particles, textile lint | |
| M5 | ISO ePM10 ≥50% | ~80% | 50–65% | 20–30% | 10–15% | Pollen, mold spores, pet dander, house dust | |
| M6 | ISO ePM10 (60–80%) | ~90% | 65–80% | 30–45% | 15–25% | Building/construction dust, concrete dust, ash particles, fine cement dust | |
| F7 | ISO ePM2.5 (50–65%) | >90% | 75–90% | 50–65% | 30–45% | Bacteria, smog, tobacco smoke particles, combustion dust, spores, wildfire smoke particles | |
| F8 | ISO ePM2.5 (65–80%) | >95% | 85–95% | 65–80% | 45–60% | Fungal spores, air pollution aerosols | |
| F9 | ISO ePM1 (80–95%) | >95% | >95% | >90% | 80-95% | Diesel soot, airborne viruses, smoke from traffic and industry, combustion particles, ultra-fine dust, secondary organic aerosols from chemical reactions in air | |
| Activated Carbon | Not classified (gas filter) | Varies (combined with prefilter) | Varies | Varies | Varies |
High Efficiency |
Volatile Organic Compounds (VOCs), formaldehyde, ozone, nitrogen dioxide (NO₂), sulfur dioxide (SO₂), benzene, toluene, cooking odors, cigarette smoke odors, pet smells, perfumes |
Filter Replacement Instructions for Paul ISO Defroster DN 160 filter:
- Turn off the ventilation system: Before opening the unit, make sure your MVHR system is switched off to avoid airflow or pressure changes during the replacement.
- Locate the ISO Defroster: The ISO Defroster DN 160 is usually positioned on the fresh air intake duct before the main ventilation unit.
- Open the cover: Gently remove the top cover of the defroster. It’s designed for easy access – no tools required.
- Remove the old filters: Inside, you’ll find two G4 filters. Carefully slide them out, avoiding dislodging any dust or debris that may have collected on them.
- Clean the inside (optional): Use a damp cloth or vacuum with a brush attachment to remove any dust buildup inside the housing. This helps maintain airflow and hygiene.
- Insert the new G4 filters: Slide the two new G4 filters into the same slots. Make sure they’re positioned flat and properly aligned with the airflow direction indicated on the filter.
- Close the cover: Reattach the cover securely to ensure an airtight fit.
- Turn the system back on: Restart your ventilation unit and check that airflow is normal. Some systems may require you to reset a filter change alert.
Shipping and delivery
We process your order as quickly as possible. Dispatch time depends on the availability of your filters.
When is your order dispatched?
- In stock: dispatched within 24–48 hours.
- Not in stock: dispatched within 5–15 business days.
If a product page states a different dispatch time, that time applies.
Delivery times with DPD
After dispatch, DPD delivers your parcel to your door or to a DPD Pickup point of your choice:
| Country | Delivery time |
|---|---|
| Belgium | 2–4 business days |
| Netherlands | 2–4 business days |
| France | 2–4 business days |
| Luxembourg | 2–4 business days |
Delivery time starts once your order has been dispatched and comes on top of the dispatch time.
Shipping costs
Free shipping on orders from €100. For smaller orders, shipping costs are shown at checkout based on your delivery address.
Track your order
Once your order has been dispatched, you receive a shipping confirmation with tracking details, so you can follow your parcel easily.
Easy returns within 30 days
You can return your order within 30 days of receipt for a full refund, provided the products meet our return conditions.
Unpacked products are also accepted, as long as they are unused, undamaged and in good condition. Damaged, dirty or unusable products cannot be returned.
Want to return something after 30 days? Contact us. We review each request individually and are happy to help.
How to return a product
Please contact us before returning anything. We will send you the return instructions and guide you through the rest of the process.
Filter Direct pays the return shipping costs.
Received a wrong or damaged product?
Received a wrong or defective product? Contact us as soon as possible and we will help you resolve it.
Refunds
Once we receive your return, we check the condition of the products within 5 business days.
Once the return is approved, we process the refund within 5 business days to your original payment method.
Cancelling an order
You can cancel your order as long as it has not been dispatched. Refunds for cancelled orders are processed within 5 business days.
Business days
Dispatch and delivery times are calculated in business days, Monday to Friday, excluding public holidays.
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