Cold plunge with the ability to cool water down to 37 degrees in any weather or temperature, features a 100 micron reusable water filter along with an Ozone Generator to keep the water clean which can be set on a timer to turn on and off at desired times. Water can remain clean and balanced up to 6 months between changing with these two filtration methods with no need for chlorine. Chiller is a Penguin 1/2 HP High Efficiency chiller paired with a Danner 1200 GPH pump keeping the water flowing, filtrated, & chilled 24/7 in the 100 gallon tub. $2,200 OBO, please reach out with any questions.