This premium supply air filter for the Wolf CWL-2 225 ventilation system is suitable for users who demand the highest standards of indoor air quality in their homes. With its thoughtful design, high-quality workmanship, and top-notch filtration properties, it even surpasses the filters provided by the device manufacturer. After installing this filter, up to 85% of fine dust can be removed, ensuring a high quality of supply air.

What are the advantages of this very fine filter?
• The highest available filter class for heat recovery units in private households.
• Filters even fine dust, bacteria, pollen, soot, and tobacco smoke.
• Suitable for users who require high indoor air quality (allergy sufferers, asthmatics, families with children...).
• Thanks to the MiniPleat filter medium with a large filter surface area, it has only a minimal impact on the performance or energy consumption of the device.

The main features of the Safeluft filter:
• Solid frame, moisture-resistant and mold-resistant.
• Filter medium MiniPleat with fine pleating made in Germany.
• Filter area significantly 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: Wolf CWL-2 225

Filter class: F9 | ISO ePM1 85%

Dimensions: 400x215x20 mm

Frame: Synthetic

Product line: SafeLuft Premium

SKU: SFIPUN400x215x20C

Content: 1x filter for supply air

Article number Wolf: 1670404 / 1670405

Filter color: may differ from the item 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 brand owner. The use of these brands 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.