Item # | 
                        
                            Connection Type | 
                        
                            T1 Tube O.D. | 
                        
                            T2 Tube O.D. | 
                        
                            A | 
                        
                            C1 | 
                        
                            C2 | 
                        
                            W HEX | 
                        
                            Internal Opening | 
                        
                            Internal Volume | 
                                                        
|---|---|---|---|---|---|---|---|---|---|
| 2-1 ZHCZ 2-1 ZHCZ/Asset/Column-End-Fitting----without-Frit--for-fractional-tube.png | Connection Type N/A CPI™ to CPI™ | T1 Tube O.D. N/A 1/8 in | T2 Tube O.D. N/A 1/16 in | A N/A 1.21 in | C1 N/A .60 in | C2 N/A .43 in | W HEX N/A 7/16 in | Internal Opening N/A .02 in | Internal Volume N/A 2.1 x 10-3cc | 
| 4-1 ZHCZ 4-1 ZHCZ/Asset/Column-End-Fitting----without-Frit--for-fractional-tube.png | Connection Type N/A CPI™ to CPI™ | T1 Tube O.D. N/A 1/4 in | T2 Tube O.D. N/A 1/16 in | A N/A 1.35 in | C1 N/A .70 in | C2 N/A .43 in | W HEX N/A 1/2 in | Internal Opening N/A .02 in | Internal Volume N/A 2.1 x 10-3cc | 
| 6-1 ZHCZ 6-1 ZHCZ/Asset/Column-End-Fitting----without-Frit--for-fractional-tube.png | Connection Type N/A CPI™ to CPI™ | T1 Tube O.D. N/A 3/8 in | T2 Tube O.D. N/A 1/16 in | A N/A 1.44 in | C1 N/A .76 in | C2 N/A .43 in | W HEX N/A 5/8 in | Internal Opening N/A .02 in | Internal Volume N/A 2.3 x 10-3cc | 
| 2-1 ZHLZ 2-1 ZHLZ/Asset/Column-End-Fitting----without-Frit--for-fractional-tube.png | Connection Type N/A A-LOK® to A-LOK® | T1 Tube O.D. N/A 1/8 in | T2 Tube O.D. N/A 1/16 in | A N/A 1.21 in | C1 N/A .60 in | C2 N/A .43 in | W HEX N/A 7/16 in | Internal Opening N/A .02 in | Internal Volume N/A 2.1 x 10-3cc | 
| 4-1 ZHLZ 4-1 ZHLZ/Asset/Column-End-Fitting----without-Frit--for-fractional-tube.png | Connection Type N/A A-LOK® to A-LOK® | T1 Tube O.D. N/A 1/4 in | T2 Tube O.D. N/A 1/16 in | A N/A 1.35 in | C1 N/A .70 in | C2 N/A .43 in | W HEX N/A 1/2 in | Internal Opening N/A .02 in | Internal Volume N/A 2.1 x 10-3cc | 
| 6-1 ZHLZ 6-1 ZHLZ/Asset/Column-End-Fitting----without-Frit--for-fractional-tube.png | Connection Type N/A A-LOK® to A-LOK® | T1 Tube O.D. N/A 3/8 in | T2 Tube O.D. N/A 1/16 in | A N/A 1.44 in | C1 N/A .76 in | C2 N/A .43 in | W HEX N/A 5/8 in | Internal Opening N/A .02 in | Internal Volume N/A 2.3 x 10-3cc |