The KEURIG HOT My K-Cup Classic Series Reusable Coffee Filter is a gray plastic filter designed for Keurig classic coffee makers. It is compatible with Classic/1.0 K-Cup Pod Coffee Makers and features a matte finish. The filter is dishwasher safe and has a capacity suitable for making coffee. This reusable filter is energy compliant and weighs less than 6 oz, making it a convenient and eco-friendly option for coffee enthusiasts looking to reduce waste.