Question: panasonic air-conditioner how to clean the filter?
Answer: INDOOR UNIT. Wipe gently with a soft, dry cloth. Do not use polishing ﬂuid or water hotter than 40˚C to clean the unit.
AIR FILTER. Remove dirt using a vacuum cleaner and wash the air ﬁlter with water. ... 
FRONT PANEL. Gently wash with water and a sponge. ... 
PURIFYING FILTER. Remove dirt using a vacuum cleaner.