Made of clear virgin medical grade PVC with a density of 1.31, these bailers have a rapid sink rate without the additional cost and environmental impact of built-in weights. Other features include easy threading, smooth well entry and exit, longer bottoms for preventing silt entry and leakage, and easy pour tops to facilitate the sampling process. Emptying devices are separately sealed to prevent package tearing when removing from the box. Three sizes are available. Box of 24