Precolumn Couplers

Upchurch Column Couplers These popular, time-tested, couplers permit a very low swept-volume for near-zero loss of column efficiency. These couplers will connect any column with internal 10-32 threads to a precolumn or guard column with 10-32 threads. They may also be used to join two columns in series.

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U-281 , Upchurch Precolumn Cou...

Upchurch Column Couplers These popular, time-tested, couplers permit a very low swept-volume for near-zero loss of column efficiency. These couplers will connect any column with internal 10-32 threads to a precolumn or guard column with 10-32 threads. They may also be used to join two columns in series.

$59.36