Automated Espresso Cleaner Box With Dual Scrapers ✔️ 20W motor spins at 340 rpm with quick release bin and stainless build This electric espresso knock box arrives prepared as a single unit and trades old school tapping for quiet scraping. Drop it on your counter or bolt it to a wall so your kitchen setup runs smoother. ✅ Matches 51mm and 58mm filter basket standards ✅ Powers through wet puffs at 340 rpm without screaming ✅ Swallows enough waste for twenty straight pull shots ✅ Drops the catch tub on command for fast trash rounds 💡 Why do serious roasters trade manual knock boxes for motorized portafilter scrapers A handy gadget saves your wrists from repeated impacts while keeping grinds contained. - Sharp rotating teeth chop dried coffee cakes free from stubborn portafilter bowls - Enclosed chute catches flying debris so your workstation never looks like a mess - Takes the guesswork out of tamping residue removal and speeds up shift changes ✝️