That is a smart job. My problem is that even after I'd bought that really lovely stainless steel intake I wouldn't be able to resist sticking a big ugly sponge pre-filter over it.the submerged intake had rather large slots. Easily big enough to suck in some of my juvenile shrimps. Luckily I saw a YouTube video the other day of a guy making his own intake strainers from stainless steel mesh so I ordered some