Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Keeps the coffee crisp and fresh

Amazing how a water filter can make coffee taste so much better. Besides the bean, the water is most important for a good cup of Joe. We've had our Krups coffeemaker for over four years now and these filters are a must.Krups FMF514 Programmable 10 cup Thermal Coffee maker with stainless steel double wall carafe