There are just a few things that you will need to make your own Berlese Funnel: a disk of 1/4 inch mesh hardware cloth (screen) cut to fit down three inches into the bucket two pieces of coat hanger three brass fasteners the bucket and a keyhole saw to cut the hole in the lower part of the bucket. a cup or jar to place beneath the funnel an old sheet to cover the top of the bucket after the leaf liter is placed on the screen.