Our alternative replacement filter F7 for the ventilation unit Stiebel-Eltron LWZ 170 E Plus / 370 Plus is suitable for all homeowners who are interested in ideal indoor air quality. This filter of filter class F7 (SKU: SFISUN523X184X25A) removes up to 70% of fine dust from the supplied air. Therefore, the air in your home is significantly improved and you will notice the difference.

The filter has a size of 523 x 184 x 25 mm. The synthetic frame that the filter is made of provides strength and mold resistance. The MiniPleat filter medium, which is manufactured in Germany and has a fine fold, offers a large filter area and low pressure loss. The longer lifespan of the filter reduces the wear and tear of the ventilation unit, ultimately lowering costs.

The alternative replacement filter impresses with a very good price-performance ratio and is therefore an ideal solution for the ventilation units Stiebel-Eltron LWZ 170 E Plus / 370 Plus.

What are the advantages of this fine filter?
• Standard filter class for the supply air side of the ventilation system.
• Reliably filters out fine dust, bacteria, and pollen.
• Good value for money.
• Longer lifespan and less wear and tear on the device compared to pleated filters (Z-Line).

The main features of the Safeluft filter:
• Solid frame, moisture-resistant and mold-resistant.
• Filter medium MiniPleat with fine folding made in Germany.
• Filter area several times larger compared to pleated filters (Z-Line).
• Low pressure drop and longer lifespan.

This filter is intended for single use 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 supply air).

Device: Stiebel-Eltron LWZ 170 E Plus / 370 Plus

Filter class: F7 | ISO ePM1 70%

Dimension: 523x184x25 mm

Frame: Synthetic

Product line: SafeLuft Standard

SKU: SFISUN523X184X25A

Content: 1x filter for supply air

Article number Stiebel-Eltron: 232477

Filter color: may differ from the article image

Note on 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 designations 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.