This is the filter I posted earlier elsewhere. It is a ceramic drip filter which I plan to use as the final filter in my washout filtration system.It costs US17 here and I hear there are US10 models available but I think is cost something around US$20 in the US.
About to build my washout booth with filtration in a few weeks or so, I would like to share some thoughts and hope that others will share some ideas.
Some videos on the Ceramic Drip Filter
This link to ScreenPrintingGuy's site shows his washout booth with gravity-fed filtration.
Home Built Screen Printing Wash Out Booth and Water Filter For Reclaiming Screens