The Helios ELF/ZLE 100 filter mats are crafted from high-quality washable plastic fibre, classified under Class G 3 for efficient air filtration. These mats are reusable, offering a cost-effective and environmentally friendly solution for maintaining clean air in ventilation systems. The durable design ensures long-lasting performance while effectively capturing dust and other airborne particles. Ideal for applications where regular cleaning and reuse are desired.