EZwaste HPLC Solvent Waste System, Cap-Only Assembly w/ Drum Bung Adapter, 70mm (S70) VersaCap w/ Four (4x) Ports for 1/8 Inch O.D. Tubing; Three (3x) Ports for 1/4 Inch O.D. Tubing; One (1x) Hose Barb Port for 1/4 or 3/8 Inch I.D. Tubing