SCS Filtration Replacement Oil Water Separator for Sepura SEP60ST. The Sepura SEP60ST is a disposable Oil Water Separator that doesn’t have replacement bags. This is an alternative unit to the SEP60ST that is also disposable. 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.