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

Buy Wolf CWL 300/400 Excellent Filter Set (525x185x5) online. Complete replacement filter set with two G4 filters included, designed for reliable air filtration in Wolf CWL 300/400 ventilation units with fast EU delivery.

What This Product Is

This filter set provides essential air filtration for Wolf CWL 300/400 Excellent ventilation systems. The G4+G4 configuration includes two filters that work together to filter both incoming supply air and outgoing extract air. Each filter measures 525x185x5 mm and serves as a direct compatible replacement for original Wolf filters. This economical filter option maintains healthy indoor air quality while protecting your HRV unit from dust and particle buildup.

Filter Class Comparison

Understanding filter classes helps you choose the right filtration level for your needs:

• G4 filters capture medium-sized particles down to 10 μm, providing effective protection against dust, pollen, and larger airborne particles
• F7 filters capture ultra-fine particles down to 0.3 μm, offering superior filtration against fine dust, traffic pollution, and allergens
• The G4+G4 set is ideal for standard residential environments with normal air quality
• Consider upgrading to an F7 supply filter if you live in urban areas with higher pollution levels or if household members have allergies

For most homes, the economical G4+G4 configuration provides sufficient filtration while maintaining optimal airflow.

Product Specifications

• Compatible model: Wolf CWL 300/400 Excellent
• Dimensions: 525x185x5 mm
• Set contents: 2 filters (G4+G4)
• Country of origin: Lithuania
• Frame material: Moisture-resistant cardboard
• Certifications: VDI 6022 hygiene class, DIN 53438 flame retardant

Why Choose These Filters

• Precise fit for Wolf CWL 300/400 units ensures leak-free installation
• Complete two-filter set ready for immediate replacement
• Effective G4 filtration captures household dust and common allergens
• Moisture-resistant construction maintains structural integrity in humid conditions
• Compatible replacement filters deliver reliable performance at economical pricing
• VDI 6022 compliance confirms hygienic air handling standards
• Flame-retardant materials meet DIN 53438 safety requirements

DEEP PLEAT Technology

These filters feature advanced DEEP PLEAT construction that maximizes filtration surface area within the compact 5mm frame depth. The extended pleating creates more media exposure to airflow, improving particle capture while reducing pressure drop across the filter.

• Increased filtration surface area
• Consistent airflow performance
• Enhanced dust-holding capacity
• Extended filter service life

ECO Sustainability

Manufactured using ECO Green materials, these filters reflect a practical approach to environmental responsibility. The moisture-resistant cardboard frame provides durability without unnecessary plastic components, while the filter media delivers effective performance throughout its service life. This balanced design focuses on reliable filtration and reasonable sustainability without compromising on quality or compatibility.

Recommended Replacement Interval

Replace your Wolf CWL 300/400 filters two to three times per year for optimal performance. Regular replacement every 4 to 6 months maintains cleaner indoor air quality, protects proper airflow through your ventilation system, and reduces mechanical strain on the recuperator unit. Homes in dusty environments or areas with high pollen counts may benefit from more frequent filter changes.

Frequently Asked Questions

How often should I replace these filters?

Replace filters two to three times per year, typically every 4 to 6 months depending on air quality and system usage.

What is the difference between G4 and F7 filters?

G4 filters capture particles down to 10 μm, while F7 filters capture finer particles down to 0.3 μm for superior air purification.

Are these filters compatible with my Wolf CWL 300/400 unit?

Yes, these 525x185x5 mm filters are specifically designed as compatible replacements for Wolf CWL 300/400 Excellent systems.

How many filters are included in the set?

The set includes two G4 filters, providing complete replacement for both supply and extract air positions.

Are these original or compatible replacement filters?

These are high-quality compatible replacement filters manufactured to fit Wolf CWL 300/400 units as direct alternatives to original filters.

Browse our complete range of Wolf HRV filters or explore all available recuperator filters for various ventilation system brands.

Buy Wolf CWL 300/400 Excellent Filter Set (525x185x5) online. Maintain optimal air quality in your Wolf ventilation system with this reliable two-filter replacement set.