Plunger Seal Back Catalog number: CTS-21347 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10984 Sparge Diffuser Price on request CTS-21277 Needle Seat, 0.12mm ID, 0.8mm OD, PEEK, 600 bar Price on request 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request