Sharpstar, 4 Gal, Transparent Red, Counter Balanced Lid, 10/cs (8541SA)Minimizes the potential for overfilling by stopping in the full position when it reaches maximum capacity. Unique lid design limits accidental or intentional access to container contents for pediatric, geriatric or high risk areas. Allows for visual monitoring. Economical forced horizontal drop maximizes container volume. The Sharpstar IV container has an expanded disposal opening to safely accept the largest sharp used in a patient's room.