 A screen. A really tight screen that's going to prevent leaves from getting in there. Yeah. And use it. Because the thing about mosquitoes is they're going to stagnant water, you know, a lot of times. They're going to lay eggs in stagnant water. But if they can't get in there, if you've got the really tiny screen, not only does that prevent your insect issues, but it prevents whatever you're using to water. You know, if you've got a spout or something, it prevents that from getting clogged up as well. So, I mean, that's...