Dimension(mm)Rated air flow(m3/h)Initial pressure (Pa)Filter efficiency %MaterialW*H*D FrameFilters materialPartition material Sealant320*320*220400<200>99.99 Sodium FlamePlank Alumium Galvanized sheet Stainless steelFiberglass filter paper Aluminum foil Veneer paperPolyurethane rubber484*484*2201000610*610*1501000820*600*1501200630*630*2201500968*484*2202000945*630*22022001260*630*2203000