Power Discharge Pump for Pedicure Chair - Complete set

Do I need  a discharge/drain pump for my pedicure chair? If the drain pipes under the floor or on contact with the floor, floor drain or gravity drain, then you don't need to install a discharge/drain pump. If the water pipes above and do not contact the floor, floor drain or gravity, then you do need a discharge/drain pump. Discharge drain pumps water from spa tub out to pipe against gravity to existing sink or wall drain. Saves thousands of money compare to floor drain Skill level: intermediate to professional. ~30minutes to 1 hour. Compatibility: Fit most pedicure chair Specifications: -DRAIN PUMP AC 110V, 5.5A, -DISCHARGE WATER IN & OUT PIPE SIZE: 1"