I use one of these . Hard too find in NZ but they have a 20mesh screen and se thru bowl. chea[p too post too What is I that you use Mohawk? Same as the black one but with a clear bowl?
Action Machining spin down filter with clear bowl and stainless filter in a variety of sizes for $42 plus shipping. Has worked very well so far. http://www.rcworst.com/action-machining-inc-afi-1-0-32-mesh-screen-filter-1-0-inlet-outlet/