Fits NALGENE Dropper Bottles Cat. Nos. 312750 (natural LDPE) and 312751 (white LDPE.) LDPE offers excellent chemical resistance, making the tips suitable for most Biotech and Pharmaceutical applications. Bottles can be squeezed easily for critical drop control. Two drop sizes to choose from.

Must be ordered with bottles and closures (Cat. No. 312760) to complete dropper bottle system.