LC Columns 

Cartridge/Guard Cartridge Systems Compatibility Guide

Type of Cartridge	Icon	Column Type	Guard Cartridge Holder	id (mm)	Phases
ZORBAX Guard Cartridge: Stand alone system	ZGC	Standard fitting	Column guard cartridge (stand-alone)* Cartridge holder P/N 820888-901	2.1 3.0 4.6	ZORBAX NP ZORBAX RP
ZORBAX Rapid Resolution and Rapid Resolution HT Cartridge Columns 1.8 µm and 3.5 µm packings Standalone system	RR	Rapid Resolution Rapid Resolution HT Cartridge holder P/N 820555-901	No Guard cartridge required	2.1 4.6	Rapid Resolution 3.5 µm Rapid Resolution 1.8 µm ZORBAX RP
ZORBAX MicroBore Columns		ZORBAX MicroBore	ZORBAX 1 mm Guard Columns	1.0	Eclipse XDB StableBond Bonus-RP Extend Poroshell
Agilent HPLC Cartridge	AC	Cartridge column Cartridge holder P/N 5021-1845	Guard cartridge (integral system) Cartridge holder P/N 5021-1845	2.0 3.0 4.0 4.6	Asahipak Hypersil Lichrospher Nucleosil Purospher Superspher ZORBAX RP
Standard Guard Cartridge (non-ZORBAX)	GCS	Standard fitting	Column guard cartridge (stand-alone)* Cartridge holder P/N 79900CH-010	2.1 4.6	Hypersil Lichrosorb
ZORBAX Preparative Guard HPLC Hardware Kit: Stand alone system	P	Semi-prep column	Semi prep. guard cartridge (stand-alone)* Cartridge holder P/N 840140-901	9.4	ZORBAX RP
Agilent Prep Columns	PI		Column Guard (external guard cartridge system) P/N 420420-901	30 50	Agilent Prep
ZORBAX Preparative Column and Internal Guard System	PI	Prep HT Cartridge Column Cartridge holder P/N 820400-901	Column Guard (integral guard cartridge system for 21.2 mm id) Cartridge holder P/N 820444-901	21.2	Agilent Prep ZORBAX NP ZORBAX RP

*Stand-alone guard cartridges fit to all cartridge and standard fitting columns available from Agilent.