- Compatibility: Designed to fit seamlessly with Helios, Pluggit, and Zehnder exhaust filters, ensuring a hassle-free installation for various ventilation systems. - Versatile Fit: Our filter is engineered specifically for Zehnder, Helios, and Pluggit ventilation valves, making it adaptable to a wide range of ventilation devices. - Premium Material: Constructed from high-quality conical synthetic fleece, this filter measures 180 mm in length and has a diameter of 125 mm, providing exceptional air filtration and long-lasting durability. - High Filtration Efficiency: The G4 filter features an approximate thickness of 8 mm, delivering professional-grade air filtration that effectively captures dust and impurities. Its robust, shatterproof design protects your fan from debris, ensuring optimal performance. - Safe and Energy Efficient: With expertly treated seams and maximum sealing, our filters eliminate air leakage, promoting energy efficiency and reducing noise levels in your ventilation system. Use Scenarios: 1. Home Ventilation: Ideal for residential ventilation systems, our filters help maintain clean indoor air quality by trapping dust and allergens, creating a healthier living environment. 2. Commercial Spaces: Perfect for offices and commercial buildings, this filter ensures efficient air circulation while minimizing operational noise, enhancing comfort for occupants. 3. HVAC Maintenance: Regular replacement of these filters in HVAC systems prolongs equipment life and improves energy efficiency, saving on energy costs and maintenance expenses.