REUSABLE CONVENIENCE: Replaces disposable paper filters for continuous use. ERGONOMIC HANDLE: Use the handle to lift the filter out of the brew basket with ease. EASY TO CLEAN: Can be used alone or with a paper filter. Hand wash only. COMPATIBLE WITH: Ninja Espresso & Coffee Barista System - CFN601, CFN602 ROBUST FLAVOR: Preserves natural coffee oils and small coffee particles similar to a French press.