The BetteAirjet Plus Whirlsystem is a combination of an air bubble system and a water system with air dosage. It combines the BetteSpa and Bettejet systems. The system has:
Jets: Up to 12 jets in the bottom, 8 jets on the sides, and smaller jets at the head and foot
Dosage: Electronically controlled dosage for the air bubble system
Water pressure: Warm air and water pressure jets
The BetteAirjet Plus Whirlsystem requires a revision gap of at least 79 cm² for air intake.