An apparatus for filling a plurality of containers with a fluid. The apparatus including a connector configured to removably couple the apparatus to a fluid source, a flow path providing fluid communication between the fluid source and a plurality of containers coupled to the apparatus, a sealing element disposed within each of the plurality of containers, the sealing element configured to couple the container to the apparatus and automatically seal the container when the container is decoupled from the apparatus, a retaining mechanism including an adhesive disposed on each of the plurality of containers to position the sealing element in a neck of each of the plurality of containers.