Comparison : Item # 2-1 Z2HCZ, Column End Fitting - with Frit for fractional tube
Item # 4-1 Z2HCZ, Column End Fitting - with Frit for fractional tube
Item # 6-1 Z2HCZ, Column End Fitting - with Frit for fractional tube
Item # 2-1 Z2HLZ, Column End Fitting - with Frit for fractional tube
Item # 4-1 Z2HLZ, Column End Fitting - with Frit for fractional tube