Compak Jr. (right) offers performance and portability in a compact table-top design. Suitable for laboratory and manual sealing operations. Auto Jr. (left) is designed for applications requiring a semi-automatic cap-sealing solution. Cycles on when a container is placed into it and shuts off once the sealing cycle is complete. Pneumatic Jr. can be used for containers with or without a cap. Its pneumatic sealing head applies pressure to the seal against the container eliminating the need for a cap to hold the seal in place.