The Puck Sucker by Sage is a no knock, no fuss and no mess solution for cleaning used coffee grounds from your portafilter. It is compatible with 58mm portafilters, and the automatic suction cup creates a rapid vacuum, quietly releasing the used espresso coffee puck from the portafilter in one swift action. The puck sucker has a quick release lid which allows the disposal of the coffee waste quickly and easily. The Tritan container is dishwasher safe for easy and convenient cleaning. The Puck Sucker has non-slip rubber feet for stability and safety when in use. It comes complete with a 9V battery. Say goodbye to noisy knocking, messy coffee grinds, and espresso splat. It's the knock box reimagined, packed with clever features and boasting a stylish design. This is the perfect companion to your espresso machine. It is compatible with Sage "Oracle" and "Dual Boiler" series and fits 58-mm Sage / Breville portafilters. The automatically activated suction cup creates a rapid vacuum that quietly releases the espresso coffee puck from the portafilter in one swift action. A quick-release lid and a dishwasher-safe Tritan container combine to make clean-up simple and easy. Additional features include automatic activation, dishwasher-safe clear Tritan container, 10–12 puck capacity, vacuum pump, 9V battery included, fluted design, and non-slip rubber base.