I used Scotch/3M “hand pads” #07447. they are about $21 per box of 20 on amazon and prime eligibile for 2-day shipping. they are fairly large. I folded them in two, so that I had 4 uses per pad. they load up with dust fairly quickly, but since they were cheap I didn’t try to clean them. just flipped them over, then after the second side, folded them the other way for 2 more uses.