1. Connect the dialyzer and bloodline to the machine
2. Connect the red side of hemoperfusion cartridge with the air-free arterial blood line. Keep the blue side upward, red side downward. Tap its hemoperfusion cartridge red cover, in order to release the air bubble from the bottom up. To link the extension, turn on the pump to eliminate air, tap its body at the same time. Air in the hemoperfusion cartridge will be removed completely within few minutes by this method. The pump speed should be set at 50ML/min.