Inquiry (采购产品): Recommended Filters Hello: We are currently using the S2 pump, and we are looking for develop a more detailed preventative maintance schedule. I was wondering if you could email me the recommended filter replacements for the pump, air inlet, oil, exhaust, Gass Ballast and recommended oil. Please also include the part number for each. Thank you -Robert Mooney **** Hidden Message ***** Robert Mooney 49385 Shafer Ave. Wixom, MI 48393 USA Company: Trijicon INC Title: Engineering Intern E-mail: rmooney@mtu.edu **** Hidden Message ***** rmooney@mtu.edu