It's an inexpensive reusable coffee filter that fits any Keurig-brand at-home coffee machine, so you can use it however many times you want without guilt or going to a coffee shop. And it's easy ...
Grist is a nonprofit, independent media organization dedicated to telling stories of climate solutions and a just future. There's a Keurig machine in some 40 million households in the U.S ...
The filter is definitely necessary ... If you're looking for the quickest option for coffee, a Keurig can't be beat. The cheapest models start around $50 and larger/newer versions go up from ...