Variable Volume

GV2-80 Operates as two independently controlled 10.5 GPM (40 liter) modules for dual turrets or as a single 21 GPM (80 liter) unit

WV2-120 Operates as two independently  controlled 16 GPM (60 liter)  modules for dual turrets or as a  single 32 GPM (120 liter) unit

Fixed Volume

J2-60 Operates as two independently controlled  8 GPM  (30 liter) modules for dual turrets or as a single 16 GPM (60 liter) unit Integral 100 Gallon (380L) reservoir