Needle Seat, 0.12mm ID, 0.8mm OD, PEEK, 600 bar Back Catalog number: CTS-21277 Availability: In the manufacturer's stock Price on request - + Recommended CTS-1010T O-Ring, TFE Price on request CTS-21240 ACQUITY I-Class SM-FTN Performance Maint. Kit,2890 Price on request CTS-1042 Plunger Insertion Tool Price on request