This Replacement Filter is for use with the Viking Spas Chill Therapy Spa. It is designed to deliver powerful filtration to keep cold plunge water clean, clear, and refreshing. It efficiently traps dirt, debris, and fine particles that can accumulate during regular use, helping maintain optimal water quality and consistent spa performance. Built for durability in cold-water environments, this filter supports proper water circulation and protects spa components by reducing strain on the pump and system.