The Pressure Compensator MK1 is an upgrade module that increases the dive depth of the Seamoth to a total of 300 meters and the Prawn Suit to 1050 meters. It can be added by placing the module in the upgrade panel, located on the left side of the Seamoth and the Prawn Suit. It can be fabricated in the Vehicle Modification Station's fabricator by using a Computer Chip and a Plasteel Ingot. It can also be obtained from the seamoth bay in the Aurora.