Introducing the KNOKOO Upgraded 5.5cm Thickness Medium Filter Cartridge for FES150 Solder Fume Extractor! This enhanced filter boasts a multi-layer gradient structure for superior dust and pollutant filtration down to ≥0.3μm. Crafted from ultra-fine polyester fiber, it improves efficiency and lifespan, ensuring a healthy workspace. Seamless compatibility with KNOKOO FES150 guarantees reliable performance. Enhance your air filtration today! Welcome to visit our website!