I used to get this from the auto parts store. It was filter screen for elderly automobile fuel pumps and settling bowls. Came in brass and stainless steel. Most modern places will not have this, thus you are going to have to look into some elderly business. Egge Machine of Santa Fe Springs Calif. usually carries this too, but then you have to mail order it.

Comes in about five different gauge thicknesses.

Wm.