Ninja Luxe Café Knock Box, Accessories for Espresso Machine, Easy & Mess-Free, Holds 10 Double Shot Pucks, XSKKNOCKBOX

The Ninja knock box (model XSKKNOCKBOX) is a durable and practical accessory designed for convenient disposal of used coffee grounds. Made from sturdy insulated plastic, it helps reduce noise and mess during use. Compatible with Ninja espresso machines including ES501, ES601, ES651, ES655CO, and ES701, this black knock box features a compact design with a height of 5.76 inches, making it ideal for home or office setups.