Zimmer Biomet GPS III Processing Instructions page 4

Step 3: Balance
Push Open/Stop button on control panel. The
"unlocked" indicator will illuminate. Turn latch
counterclockwise to open lid. Place tube into
centrifuge.
*Mini GPS® III System: Purple buckets (7433) must
be inserted into the centrifuge.
Fill GPS® III counterbalance (800-0508) with 60
ml of sterile saline and place into opposite side of
centrifuge.
*Mini GPS® III System: Fill GPS® III mini
counterbalance (800-0505) with 30 ml of sterile
saline and place into opposite side of centrifuge.