Fast Filtration & Full Flavor: Made from premium imported Canadian wood pulp, our filters deliver 30% faster flow than standard filters. This advanced design ensures that coffee grounds do not build up or burn, preventing sour or bitter tastes. Our paper absorbs oils and removes gritty sediment while allowing a rich, full-bodied flavor to pass through. Coffee stays hot even after filtration. Health & Safety: Our small coffee filters are oxygen bleached to eliminate the use of chlorine and harsh chemicals, leaving no chemical taste, ensuring a healthy and enjoyable coffee experience. They are fully biodegradable and FSC certified, protecting both your health and the environment. Wide Compatibility: With an unfolded diameter of 15.5 cm and a bottom diameter of 4.3 cm, our filters are perfectly compatible with Kalita Wave 155 drippers and fit a wide range of drip and pour-over coffee makers, flat bottom drippers, small coffee makers, single serve coffee makers, and grind and brew single cup coffee makers. Our versatile filters also perform well as #2 cone filters, ideal for 1-2 people. Convenient and Easy to Use: Our mini coffee filters feature wavy edges for even water flow and sturdy sides that won't collapse, making brewing simple. The flat bottom enhances coffee extraction, delivering a consistent cup every time. Disposable and easy to clean, they simplify the brewing process and help keep your workspace tidy. Beginner & Profriendly: Whether you're new to coffee or an experienced barista, our filters are easy to use and reliable. Unlike cone filters that require precise grinding and pouring techniques, our flat-bottom filters maintain an even coffee bed for consistent water flow, making them suitable for all skill levels. Ideal for use at home, in the office, or while traveling, our filters help ensure a great cup of coffee every time. Note: Measurements are taken manually; please allow 13 cm variation. Due to differences in lighting and display settings, colors may vary slightly from the images shown. Please refer to the actual product received.