 And you can get all that smelly air that's filled with grease and cooking stuff, chemicals, everything else out of there. And the same goes, it's even worse if you have a gas appliance. You want that carbon monoxide, carbon dioxide, everything else that's part of combustion. They're formaldehydes. You want that to go outside. And that's how you'll have a healthy home. So something to think about that. That is one of my biggest ones right there. Make sure you've got that dialed in and the right size for the cooking surface.