Container with chimney top fits into the Unimed Locking Wall Mount Cabinet to provide protection against accidental or intentional access to containers for Sharp items. Container features needle notches for faster, safer removal of needles from tube holders. Polished viewing windows on all four sides provide better fill-level visibility to meet federal and state OSHA requirements. Filled containers are easily sealed and disposed of according to local, state and federal regulations. A full container can be autoclaved or incinerated. Containers nest together for efficient storage.