” This is the first kitchen I’ve ran where my staff don’t have to spend hours washing frames. It takes us around 10 minutes a week to change the wool filter sheets and you can see the filter above the char grill is stopping a lot of grease. We cook around 150 burgers or steaks on any day so normally those filters are disgusting in places I have worked after a few days. This way we just change the sheet when we’ve had a busy few days because you can see what’s going on “