Dimension(mm)Rated air flow(m3/h)Initial pressure (Pa)Filter efficiency %MaterialW*H*D FrameFilters materialPartition material Sealant305*305*35110<220>99.995Sodium Flame Aluminum Galvanized sheet Fiberglass filter paperHot melt rubberPolyurethane rubber610*610*35450305*305*50180610*610*50700305*305*69250610*610*691000305*305*80300610*610*801300