2" Tri-Clamp x 3" x (2) 1/4" MNPT

2" Tri-Clamp Tri Clover x 3" x (2) 1/4" MNPT

This specialty spool with a 1/4" MNPT connection can be used for various reasons including a valve manifold to inject solvent into a column from the bottom allowing it to flow upwards spreading the solvent more evenly the top down method.