 from the side that they came from, right? Well, you do the same thing with your air conditioner. So get a hose. Don't use a pressure washer. You don't need to get that violent with this. Just get a garden hose and turn the water on and just squirt it down through there with a spray nozzle and just push the dirt off from the inside to the outside. If you want to try to take that grill off the top of the fan so that you can get down in there, that's fine, but