Filter element: 1. White needled felt 2. Q, P, S, C grade available 3. OEM available Technical specifications:Replacement filter elements ... for following Models:( * stands for Hiross Grades: Q, P, S, C)Flow rateModel no.0.7007*1009*1.5015*2.4024 ... * 072*9090*12120*15150*24240*Filtration rating & Oil content reference table:GradeFiltration ratingOil contentQ55P11S0.010.01C0.010.003 Grade P, Q ...