
To keep your Clean Air Optima CA-401 UV Plasma Ionizer air purifier running at its best, regular cleaning of the electrostatic filter is key. The user manual recommends cleaning the filter one or two times each week, depending on your indoor environment's air quality. Follow these steps for effective cleaning: First, switch off the air purifier and unplug it from the power outlet. Next, locate the opening button and remove the electrostatic filter from the device. Use a soft, damp cloth to gently wipe away dust from the metal components of the filter. For more persistent dirt, a sponge with mild soap can be used. Avoid washing the filter under running water. After cleaning, allow the filter to dry completely before reinstalling it; if you used water, allow it to dry for at least 24 hours. Once dry, carefully reinsert the filter into the air purifier, ensuring it is securely in place. Consistent cleaning as described will help maintain the efficiency and prolong the life of your Clean Air Optima CA-401 air purifier.


