Check Filter A (Ceramic Filter) from time to time

Turn Filter A (together with the transparent casing) in the ANTI-CLOCKWISE direction and take it out

Pull the Ceramic Filter slowly out from the transparent casing

Clean the ceramic surface with soft brush under running water

Insert the Ceramic Filter slowly into the transparent casing

Close the transparent casing with the cover and install it into the Bio Aura unit

Tighten Filter A in CLOCKWISE direction. Let the filtered water to flow for at least 5 minutes before resuming use