Features: *Water Filter for Coffee machine and for N-inja Single Serve Grounds by PureHQ - Compatible for ES601 ES655 ES701. Please kindly pay attention to this before purchasing. * High Quality Material: Removes impurities, calcium, and other materials that interfere with taste to create your best-tasting beverages. * Easy Installation: Designed for convenience, the filter can be easily installed and replaced without the need for any additional tools, making maintenance a hassle-free task. *Environment-friendly Choice: Made from sustainable materials, this filter not only improves your coffee experience but also contributes to a greener environment by reducing waste. * Protect Your Coffee Machines: Removes up to 97% of impurities, reduces limescale, and increases the lifespan of your coffee maker.Removing impurities, calcium, and oodors with activated charcoal filters creates the best-tasting beverages. Specifications: *Part Name: Activated Carbon Water Filter Replacements for Espresso Coffee Machine (6/12pcs) *Material: Activated Carbon Fiber *Size: as described *Color: White *Quantity per pack: 6 or 12 Package Content: 6pcs or 12pcs of Water Filter Replacements for Espresso Coffee Machine Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.