Use strict aseptic technique during setup.

Water-Seal System (Wet Suction Systems)

• Two-chamber system: Add NS or sterile water to second chamber (water-seal chamber) to level indicated.
• Three-chamber system: Add NS or sterile water to second chamber (water-seal chamber) to prescribed level.

Waterless System (Dry Suction Systems)

• Two-chamber system: These systems are not used with suction, are ready to go, and require no additional setup.
• Three-chamber system: These systems are used with suction. Connect suction control chamber tubing to suction source.