Introducing the KNOKOO Replacement Filter Set for FES200K Laser Fume Extractor! This 5kg set includes a pre-filter, HEPA filter, and activated carbon filter, ensuring multi-layer filtration that captures large particles, fine dust, and harmful gases. Designed for optimal compatibility, it maintains peak performance and provides clean air by removing irritating welding fumes. For a healthier workspace, trust KNOKOO. Welcome to visit our website!