Remove the original dust filter, clean it and let it dry

Cut “KAF” to the size of the original dust filter

The dotted embossed cotton layer is facing out, and the non-cotton layer faces the electrical appliance

Attach “KAF” on the original dust filter with adhesive tape

Put the original dust filter back to the electrical appliance

Due to the different fan design of each air conditioner, the customer can use 2/3 size of the original air conditioner dust screen to maintain the ventilation capacity.