Material: USA Acrylic + fiberglass reinforcement

High Quality Computer Control system with lock
Energy-saving system
Energy-saving control system with optional setting  filtration period within 24-hour
Anti-freezing system
Auto-protect system for circulation pump and heater when lack of water
High-efficient filter system
Phototherapy system
Swimming water pump 2250W/220V/50Hz~60Hz
Massage water pump 1500W/220V/50Hz~60Hz
Circulation water pump: 750W/220V/50Hz~60Hz
Air pump: 11250W/220V/50Hz~60Hz
Heater 3KW/220V/50Hz~60Hz (Protection against dry heating)
Ozone generator 200mg/h
Small-size automatic sync-color-changing  LED light &color controller
Big underwater LED light
Total jets:
5" swimming jet
3.5" Hydromassage jet
1.5" Hydromassage jet
2" Air bubble jet
Inbuilt radio and CD input
Inbuilt receiving system for RF remote
Headrest pillow
Skirt Speaker
Handrail with built-in LED lights at two sides
Handrail with built-in LED lights in front of TV
Water regulator
Air regulator
Recycle water device 2
Side drainage 1.5
Canadian imported Hemlock skirt