FLEXIT NORDIC S7 SW Filter Sets – Original, High-Quality Alternative and Carbon
In this category you will find the original FLEXIT filter set (art. 116177) as well as carefully selected
high-quality alternative sets and a carbon filter set for the FLEXIT NORDIC S7 SW ventilation unit.
All sets are manufactured in the correct size 300 × 269 × 96 mm to ensure:
very good indoor air quality
reliable and quiet unit operation
energy-efficient performance with low pressure drop
Our alternative (non-original) filters are produced with the same dimensions and filtration class as the originals
and fit precisely into the filter slots of the unit (300 × 269 × 96 mm).
Compatibility
These filter sets are designed specifically for:
FLEXIT NORDIC S7 SW
Do not confuse this unit with other FLEXIT Nordic or S-series models – filter sizes and sets may differ.
Always check the model name on the nameplate and compare the filter dimensions
(300 × 269 × 96 mm) before ordering.
Available Filter Sets
1. High-Quality Alternative F7 / ePM1-55% Filter Set (Recommended)
A popular and cost-effective choice that keeps maintenance costs lower while maintaining high air quality.
Content: 2× F7 / ePM1-55% compact filters
Dimensions: 300 × 269 × 96 mm
Same filtration class as original F7 / ePM1-55%
Reliable fit and comparable filtration performance
Standard residential use:
High-quality alternative F7 / ePM1-55% set (2× filters) – same protection level as original
filters and very good balance between air quality, energy efficiency and price.
Areas with odour issues (traffic, industry, restaurants, smoke):
Carbon filter set (1× carbon supply + 1× regular exhaust filter).
Technical Data – Filter Specification
Filtration efficiency: ePM1-55% (ISO 16890)
EN class: F7 (EN 779:2012)
Filter type: Compact filters
Set content: 2 pcs (supply + exhaust)
Dimensions: 300 × 269 × 96 mm
Compatibility: FLEXIT NORDIC S7 SW
Original set number: 116177
Filter Installation
Switch off the unit and follow the FLEXIT user manual.
Remove old filters and insert new ones in the same position.
Observe airflow arrows (if printed) – they must point in the airflow direction inside the unit.
Ensure the filters sit firmly without gaps around the edges.
Close and lock the door properly for a good seal.
Replacement Interval
Typically 1–2 times per year in normal residential use.
Replace more often if:
you live in a polluted or high-traffic area,
there is construction work nearby,
there is a lot of dust or pets indoors.
Replace earlier if filters look dirty or the unit shows a filter alarm.
FAQ – FLEXIT NORDIC S7 SW Filters
Which filters fit FLEXIT NORDIC S7 SW?
Original set: art. 116177 – 2× F7 / ePM1-55% filters, 300 × 269 × 96 mm
High-quality alternative set: 2× F7 / ePM1-55% filters, same dimensions
Compare with the product description (original set art. 116177).
Using the wrong filter size or class may cause:
air bypass (leakage around the filter),
poorer indoor air quality,
higher energy consumption and fan noise,
faster soiling of the heat exchanger and ductwork.
Stock and Delivery
Original FLEXIT, high-quality alternative and carbon filter sets for FLEXIT NORDIC S7 SW
are usually available from stock, ensuring fast dispatch and quick delivery within the EU.