The present device is a specimen containment unit comprising； a container, wherein the container has a first portion of a locking mechanism positioned distal to an opening, and a funnel having a base and a plurality of segments attached to the base and a second portion of a locking mechanism integrated into the base, wherein the segments protrude a predetermined distance and angle from the base, wherein the first portion of the locking mechanism is designed to mate with the second portion of the locking mechanism to secure the funnel to the container.
