AttributesConnection TypeDF ConnectionDiameter131 mm (5.16 inch)Efficiency 99.99999%0.01 micronElement O-Ring MaterialViton®Element SizeSize 0450Element TypeDFEnd Cap MaterialFiberglass Reinforced PolymerLength271 mm (10.67 inch)Maximum Operating Temperature65 °C (149 F)Media TypeBorosilicateModelSInner Core Material1.4301 / 304 Stainless SteelOil Aerosol Retention Rate (ISO 12500-1)99.9 PercentOuter Core Material1.4301 / 304 Stainless SteelRecommended Replacement Interval8000 Hours