The C.B.S. Scientific SG-800-33: Adjustable Nucleic Acid Sequencer are adjustable to accommodate plates with path lengths from 22cm (821/32") up to the maximum length of the unit. Both upper and lower reservoirs have drains with tubing adapters and safety covers with attached leads. Reservoirs are detachable for easy disposal of radioactive buffer solutions. Units can be easily disassembled into components for compact storage.