The AMX FX15 3 Layer HEPA Filter Box is made from a high-quality DKP material with an electrostatic powder coating for protection. This gives it a smooth sleek surface with heat resistance and anti-corrosion properties. Its 3 layer protection filtration system offers the protection performance for ventilation. The Primary efficiency filter Activated carbon filter and HEPA 12 high-efficiency filter purify your air easily and effectively. The FX15 can also be used with a silent fan which is suitable for a variety of small hidden installation environments where ventilation is needed. FEATURES: 3 Layer Filtration System Primary Active Carbon and HEPA Filter High Efficiency Electrostatic Powder Coated Surface Heat Resistance Elegant Design SPECIFICATIONS: Appliance volume: 300-600 m3/h Initial Resistance: 30-70 Pa Duct Size: 150mm Product Size: 40 x 36.9 x 21.3 cm Product Weight: 4400g WHAT'S IN THE BOX: AMX FX15 150mm 3 Layer HEPA Filter Box x1