Nalgeneā¢ Friction-Fit Centrifuge Tube Closures
By NalgePolypropylene. Friction-fit closures designed for all Nalgene® round and conical centrifuge tubes. Autoclavable. May not provide liquid-tight seal during high-speed centrifugation. Cat. No. DS3111-0030 fits round, non-lipped 50mL centrifuge tubes only.