Filter set F9+G4 for the ventilation unit NATHER OPTIMEA, which can filter out up to 85% of fine dust. By installing this F9 filter, you can achieve high supply air quality for the indoor spaces of your home.

What are the advantages of this F9 fine filter? • The highest available filter class for heat recovery units in private households. • Filters out even fine dust, bacteria, pollen, soot, and tobacco smoke. • Suitable for users who require high supply air quality (allergy sufferers, asthma patients, families with children ...).

The main features of the Safeluft filter: • Sturdy frame, moisture-resistant and mold-resistant. • MiniPleat filter medium with fine pleating, made in Germany. • Significantly larger filter surface compared to pleated filters (Z-Line). • Low pressure drop and longer service life.

This filter is intended for single use only and cannot be rinsed with water or chemically cleaned. A replacement interval of 2-3 times per year is recommended (depending on the quality of the incoming air).

Gerät: NATHER OPTIMEA

Filter class: F9 (ISO ePM1 85%) | G4 (ISO Coarse 60%)

Abmessung: 505x240 mm

Frame: Synthetic | Wire

Produktreihe: SafeLuft Premium

SKU: SFUN505X240X23SF9

Inhalt: 1x F9 for supply air | 1x G4 for exhaust air

Original article number NATHER: 990643

Filter color: may differ from the product image

Note on the product designation: The item offered here is not an original product, but a compatible alternative product of comparable quality. All registered trademarks of device manufacturers as well as designations of original products are the property of the trademark owner. The use of these trademarks and product names on this website is solely for the purpose of describing the alternative product and informing customers about it. We are not an authorized dealer and do not offer original spare parts from device manufacturers.