Wolf CWL 300/400 Excellent FILTER SET (525x185x5)

  • Delivery: 1-2 days.
Delivery: 1-2 days.

Date sheet

Dimensions (mm)
The set consists of
Filters - 2 pcs.
Delivery of goods
€ 2.90 (free shipping from € 50)
Wolf modelis
Wolf CWL 300 Excellent
Wolf CWL 400 Excellent

Filter set suitable for Wolf CWL 300/400 recuperator. The filter set is designed to filter incoming and outgoing air.

The set includes:

  • The standard set consists of two filters (G4+G4), which are suitable instead of the original WOLF filters.

Differences between F7 and G4 filters:

  • G4 compact filter used for filtering supply and extract air, retaining medium-sized particles (medium protection against 10 μm solid particles).
  • The F7 compact filter is used only for supply air filtration, retaining ultra-fine particles (effective protection against 0.3 μm solid particles).

Wolf CWL 300/400 filter set specification:

  • Filter dimensions - 525x185X5
  • Made in Lithuania
  • Moisture-proof cardboard frame
  • ECO green
  • Large filtering area
  • Complies with hygiene class VDI6022
  • Corresponds to DIN53438 flammability class
  • Conforms to ISO16980 standard
  • Complies with EN779:2012 standard


  • It is recommended to change recuperator filters at least 2-3 times a year.

ECO green
Filtrai1.lt filters have "ECO green" properties. The filters are made of recycled and durable materials.

Hygiene standard VDI6022
The filters we sell comply with the ventilation hygiene standard VDI6022. The standard ensures that filter materials do not allow bacteria to breed.

Flammability DIN53438 classification
The filters sold by Filtrai1.lt are tested and have the appropriate flammability classification.

The filters are made using the unique DEEP PLEAT technology.
Thanks to this technology:

  • When corrugating, the material maintains the correct V shape
  • The maximum area of the filter material is used
  • Extends filter life and efficiency

Buy 10 sets or more and contact us for a better price

useful information
When and how often should recuperator filters be changed?
Universal instructions for changing recuperator filters
Air filter classes, standards and marking


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Wolf CWL 300/400 Excellent FILTER SET (525x185x5)