Seal, support ring/piston Back Catalog number: CTS-21402 Availability: In the manufacturer's stock Price on request - + Recommended G4280-60004 Dual channel gradient valve 1 179,36 € G1321-60015 Flow cell 4ul for FLD 3 511,16 € CTS-21679 Back Ferrule, 1/16", SS, 10/pk Price on request