The SEPREMIUM 2 PG is suitable to use with Polyglycol based lubricants that can block up the standard units. This is a disposable Oil Water Separator that doesn’t have replacement bags. Servicing simply involves disconnecting the inlet and outlet hoses, replacing the unit and filling it with water. No need to pre-soak or deal with messy bags. Good for systems up to 70cfm capacity. Comes with wall mounting bracket and hose connections.