c. Remove the ultra-fine filter from its frame.
d. Place the ultra fine filter on the ground and rinse the front thoroughly
and then the back with a high-pressure water gun. Ensure all folds
and crevices are completely cleaned. After cleaning, let it air dry in a
cool, ventilated spot to prevent mold and prepare it for future use.
1
2
14
Front Side:
There is a bulge