The lower the micron rating, the finer the filtration. Follow your engine manufacturer's recommendation for fuel filter micron rating.
S = Secondary/Final 2 micron (Brown cap)
T = Primary or Secondary/Final 10 micron (Blue cap)
P = Primary 30 micron (Red cap)
| Brand | Racor |
| _Case | 6 |
| _Color | Red |
| _Fits | 4120R/6120R |
| _Micron | 30 |
| Shipping Details | |
| Weight: | 2.33 lb |
| Length: | 13.5 in |
| Height: | 8.75 in |
| Width: | 9.0 in |