Mini-Pleat HEPA Filter Features: 1) Ultra low resistance to airflow 2) Thin 3) Light weight 4) Low operating cost 5) Each filter is individually tested 6) Application: final or return filtration for clean rooms with turbulent flow with 99.995% efficiency 7) Type: HS mini-pleat HEPA filter 8) Frame: extruded and anodized aluminum 9) Media: glass fiber paper 10) Separator: hot-melt 11) Sealant: polyurethane 12) Recommended final pressure drop: 600pa 13) OEM orders with customized designs and specifications welcomed Packing: paper carton