wedm filter model: OMF-340 OD*ID*Hmm:340*300 Filtration rating: ... : OMF-340FK2,Max operation pressure: 198kPa3,Resistance to pressure: 294kPa4,Filter surface area: 14m25,Expected service life: 500-720 hours6,Flower ... SeriesMAKINOU32,U53HITACHICUT355,254 TW-40 picture of construction OMF-340FK machine filter