Optimize Needle, Agilent 1100, 1200 Autosampler- OPT
Check Valve Conversion Kit, Agilent/HP 1090- OPT
Inlet Cartridge Check Valve w/ Housing, HP/Agilent
Cartridge Check Valve Replacements,HP/Agilent 1090
PTFE Plunger Seal, Green Premium Grade, Agilent/HP