Models
| STERLING part number | Purotech kit | Description | Photos |
|---|---|---|---|
| CS75 | CS75SK | Service kit for CS75 OWS, BLUE only (fits all models) | |
| CS100IBC | CS100IBCK | Service kit for CS100IBC (also fits SEPURA SEP3500) | |
| CS200IBC | CS200IBCK | Service kit for CS200IBC (also fits SEPURA SEP7000) | |
| CSR150 | CSR150SK | Service kit for CSR150 STERLING oil/water separator | |
| CSR150 AF | CSR150SKAF | Active filter kit for CSR150(AF) | |
| CSR450 | CSR450SK | Service kit for CSR450 STERLING oil/water separator | |
| CSR450 AF | CSR450SKAF | Active filter kit for CSR450(AF) | |
| CSR1000 | CSR1000SK | Service kit for STERLING CSR1000 oil/water separator | |
| CSR1000 AF | CSR1000SKAF | Service kit for CSR1000(AF) active filter | |
| CSR2000 | CSR2000SK | Service kit for CSR2000, comprises 2×CSR1000SK | |
| CSR2000 AF | CSR2000SKAF | Service kit for CSR2000AF, comprises 2×CSR1000SKAF | |
| CSR3000 | CSR3000SK | Service kit for CSR3000, comprises 3×CSR1000SK | |
| CSR3000 AF | CSR3000SKAF | Service kit for CSR3000AF, comprises 3×CSR1000SKAF |