AIR FILTRATION
BSK Notus G4 filter with casing
Protect your heat recovery unit with industrial-grade G4 filtration that captures 90% of particles 10μm and larger while maintaining consistent airflow.
Key Benefits
G4 Filtration Efficiency
Captures 90% of particles 10μm and larger, protecting equipment from dust accumulation
Optimized Airflow
Maintains consistent ventilation performance with low initial pressure drop of 45 Pa
Simple Replacement
Standard frame design enables quick filter changes without specialized tools
Equipment Protection
Prevents heat exchanger fouling and maintains system efficiency over time
Why G4 Filtration Matters
Mechanical Filtration
Paper filter media traps airborne particles through physical interception, requiring no electrical power
Standard Compliance
Meets EN 779:2012 requirements for G4 classification, ensuring verified performance
Versatile Application
Suitable as primary filtration for heat recovery units and air handling units in residential and light commercial installations
Universal Compatibility
Standard dimensions align with common ventilation unit filter slots for straightforward selection
Ideal Use Cases
This G4 filter is designed for contractors and homeowners maintaining residential ventilation systems. It serves as the primary filtration layer in central heat recovery units and decentralized heat recovery units, protecting heat exchangers from dust while maintaining indoor air quality. Replace filters every 3–6 months depending on environmental conditions and system usage.
Technical Parameters
| Parameter | Value |
|---|---|
| Filter Class | G4 (EN 779:2012) |
| Filtration Efficiency | 90% for particles ≥10μm |
| Initial Pressure Drop | 45 Pa |
| Filter Media | Paper insert |
| Particle Capture Size | 10μm and larger |
| Application | Residential ventilation, heat recovery units, air handling units |
| Replacement Interval | 3–6 months |
| Power Requirement | None (mechanical filtration) |
Reliable Filtration for Long-Term Performance
Keep your ventilation system running efficiently with the BSK Notus G4 filter — engineered to protect heat exchangers, maintain airflow, and extend equipment life.
| Brand | BSK |