管路过滤器滤芯主要为液灌连接而设计，过滤器主要由滤头、滤杯、过滤元件、旁通阀等零件组成，过滤器上面有一个光学机械维修指示灯和电子开关连接元件相连接。在操作过程中，液压油进入过滤器进油口，经过过滤器里面的滤芯过滤（从外到内的流向）达到清洁以后，污物颗粒过滤吸附在过滤芯上面，经过循环过滤，达到清洁过滤介质的效果，长时期的过滤会让过滤元件受损，如果存在堵塞的情况，电子发讯器会发出警报，更换过滤器滤芯便可。Rexroth过滤器主要由内部的滤芯起主要过滤效果
| TEFB.70.6VG.16.S | TEFB.120.80G.16.E | TEF.4801.16VG.10.E |
| TEFB.70.3VG.16.S | TEFB.120.40G.16.E | TEF.4801.10VG.10.E |
| TEFB.70.25P.16.S | TEFB.120.25G.16.E | TEF.4801.6VG.10.E |
| TEFB.70.10P.16.S | TEFB.120.25VG.16.E | TEF.4801.3VG.10.E |
| TEFB.55.80G.16.E | TEFB.120.16VG.16.E | TEF.4801.25P.10.E |
| TEFB.55.40G.16.E | TEFB.120.10VG.16.E | TEF.4801.10P.10.E |
| TEFB.55.25G.16.E | TEFB.120.6VG.16.E | TEF.4801.80G.10.S |
| TEFB.55.25VG.16.E | TEFB.120.3VG.16.E | TEF.4801.40G.10.S |
