Standard Features Motor type: EC motor (BLDC motor), Motor efficiency:88% HEPA filter: 99.99% efficiency 0.3 micron Housing material: Galvanized steel Available in 2x4, 4x4 sizes Everage Air velocity: 0.45m/s 10% Noise: 0.25~0.45M/set, 48~55d BA (Noise test:1.5M under the filter) Power: AC 1ph, 200~240, 50/60Hz Optional Features Filter Efficiencies: HEPA 99.995% or ULPA 99.9995% at MPPS Powder coat white paint or stainless steel housing G4 pre-filter available (shipped loose) Ducted inlet connection (shipped loose) Chemcical filter (shipped loose) Custom sizes available Applications EC FFU are primarily used in critical environments requiring clean air solutions. These include cleanrooms, biological laboratory, pharmaceutical compounding, semiconductor and microelectronic manufacturing, and healthcare facilities.