Turn the control switch on the front of the air ionizer to the "Off" position. Unplug the air ionizer's electrical cable from the wall outlet.
Add a small amount of detergent to a bowl of water until the water is soapy. Dip a paper towel into the water until it is damp, but not dripping.
Wipe off the outside enclosure around the entire surface of the Amcor air ionizer with the damp paper towel. Gently scrub the outlet grill at the front of the device with a soft brush. Scrub in a side to side motion instead of an up and down motion.
Wipe down the entire surface again with a dry towel. Grip the plastic filter cover at the top of the air purifier and lift the cover off the device. Set the cover aside. Pull the filter cassette out of the purifier.
Soak the filter cassette in the water and detergent mixture. Wipe off the cassette with a dry paper towel. Set the cassette on a flat surface and wait until it is has completely dried.
Grip the edge of the electrostatic filter near the bottom of the ionizer. Pull the filter down. Wash the filter in the water and detergent mixture. Set the filter aside and wait for it to dry.
Insert the two filters back into the air purifier and set the plastic filter cover back on top of the device. Plug in the power cable.