2" Tri-Clamp Dewaxer Columns2" Tri Clamp Tri Clover Dewaxing Columns This is a 2" Tri Clamp BVV Tri Clamp Dewaxing Spool. It is intended to have dry ice put into the sleeve to chill the material inside the column. **Note: When selecting a Pipe Hanger choose the size that correlates to the Sleeve OD NOT Spool OD Sizes Available: 2" x 12" Tri clamp Dewaxer Column 2" x 18" Tri clamp Dewaxer Column 2" x 24" Tri clamp Dewaxer Column Specifications: Tri Clamp Size 2" Material 304