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Brofer RDCD35SH filter set G4+G4

Extract filter size: 258x238x25 mm
Supply filter size: 258x238x25 mm
Filter class (EN779): G4+G4
Filter quantity in a set: 2 filters
Protection level

Filter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.

Basic

General dust and particle filtration

Features

Key features of this product

ISO standard

Certified quality to international ISO standards

Made in EU

Manufactured entirely within the European Union

Usage 3-6 months

Effective filtration for up to 6 months.

16,94 16,94 

Price for set

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Model compatibility 

Compatible with the following models:

  • Brofer RDCD35SH

What filter set protects against 

Filter set includes 2 filters:

  • Extract filter – G4 (Coarse 65%) – for MVHR protection
  • Supply filter – G4 (Coarse 65%) – for indoor air protection

This filter set follows the ISO 16890 standard for particle filtration efficiency. 

The G4 filters capture up to 65% 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. One of them filters the air extracted from your indoor space and protects the MVHR unit by reducing visible dust and general build-up in the ventilation system. Meanwhile, the other one cleans the outdoor air supplied into your premises, improving indoor air quality and protecting your health.

Usage and maintenance 

Brofer recommends replacing the filters every 3-6 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 filters visually – if they appear very dirty or clogged, it's time to replace them.

Manufacturing quality

This filter set 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.

These panel G4 filters are made using Z-line technology, featuring densely folded filter media bonded with glue and mounted in a cardboard frame. The glue fixation keeps it evenly spaced and stable, ensuring more uniform airflow distribution and consistent filtration across the entire surface. Meanwhile, the folded construction increases the effective filtration area, enhancing particle retention and a lower pressure drop.

Original product codes 

  • FTRLET232
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

Instructions for changing the filters are provided in the manual below:

Filter Replacement Manual for Brofer RDCD35SH

Filter Replacement Instructions for Brofer RDCD units:

  1. Turn off the unit using the control panel: Ensure the unit is powered off and disconnected from the electrical supply to prevent any accidents.
  2. Access the filter compartment: Open the front inspection panel to reach the filter compartment. Most Brofer RDCD and LQR units have a simple front-access design.
  3. Remove the old filters: Carefully remove the existing filters. Note the airflow direction arrows of the filters for proper installation of the new ones.
  4. Clean inside the unit with a vacuum or soft cloth. Also check and clean surrounding components (heat exchanger, fan blades, etc.).
  5. Insert new filters carefully: Match airflow arrows with unit direction (usually, arrows should point inward toward the center). Install G4 filters on both supply and extract air sides. If using an additional F7 filter, place it on the supply air side behind the G4.
  6. Reassemble the unit: Replace any panels or covers that were removed during the process.
  7. Power on the unit: Reconnect the unit to the electrical supply and power it on.

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Brand: Brofer
Model: RDCD35SH
Extract filter size: 258x238x25 mm
Supply filter size: 258x238x25 mm
Supply filter 2 size: -
Quality: House brand
Filter class (EN779): G4+G4
Filter class (ISO16890): Coarse 65%
Filter quantity in a set: 2 filters
Protection level: Basic
Manufacturer: EU factory
Technology: Z-line
Filter type: -
Frame: Cardboard
Product code: BROFERRDCD35SHG4G4
Original product code: FTRLET232

Order Processing Time
All in-stock products are dispatched within 1–2 business days, except for clearly marked items with an extended dispatch time (5–10 business days).

Shipping Costs
Shipping is free for all orders over €59. For orders up to €59, shipping costs will be calculated at checkout.

Order Tracking
Once your order has been dispatched, we will send you a confirmation email with tracking details so you can easily follow its journey to you.

Business Days
Delivery times are calculated in business days – from Monday to Friday, excluding public holidays.

Easy returns within 30 days
You may return any product within 30 days of receiving it for a full refund – no questions asked!

If you need to return items after 30 days, please contact us. We review these requests on a case-by-case basis and will do our best to help.

Condition of returned products
We accept returns of products unused in intact condition, including those unpacked but not damaged. Products that are damaged, dirty, or otherwise unusable cannot be accepted for return.

Defective or incorrect items
If you receive a defective or incorrect product, please contact us immediately. We will ensure the issue is resolved promptly, as your satisfaction is our top priority.

How to return an item?
Please contact us before sending back any products. We will provide you with the return shipping details and assist you throughout the process. We cover all costs of return shipping.

Refund processing timeline
Once your returned product is delivered to us, we will verify its condition within 5 working days. Refunds will be processed within an additional 5 working days after approval, using the original payment method.

Is it possible to cancel my order?
Yes, cancellations are possible before your order has been shipped.

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