The size of the Crystal SPA – 444 is 2200x2200x930 mm with capacity of 5 people at a time. There are 101 pieces of stainless steel nozzles present in this hot tub. The number and size of those are small jets hydro jet spot diameter 2 “: 61 pieces, water jets rotary small hydro spa jets diameter of 2.5 “: 10 pieces, water jets rotary large hydro spa jets diameter 4.5 “: 9 pieces, large water jets hydro-point rotary spa jets diameter 5 “: 1 pieces, water jets rotary large hydro spa jets diameter of 5 “: 1 piece, LEDs air nozzles (seven color) 1.5 “: 12 pieces, and shoulder massage jets: 2 pieces. This hot tub is filled with other technical features like computer control basin BILBOA: 1pc, hydro massage water pumps: 3pcs power 2HP, circulation pump: 1 pcs power: 1HP, air pump: 1 pc power: 1HP, water heater BALBOA power 3KW: 1pcs, water halogen lighting LED multicolor: 1pcs, LED fiber optic bundles color therapy: 28pcs, and aerating the water pump and the air pump: 6pcs. For relaxation, there are Foam headrests: 3pcs and aromatherapy container: 1pcs.