Water Chiller Replacements Filter (3 Filters) for Ice Bath - Cold Plunge Water ChillersWater chiller replacement filters are an essential part of maintaining your water chiller in good working order. They remove impurities from the water that can clog the chiller and reduce its efficiency. Filters also help to protect the chiller's internal components from corrosion and damage. Filters are designed to remove specific impurities, such as chlorine, sediment, or bacteria. To replace a water chiller filter, simply follow the instructions