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 ...
[Joseph Collins] is even taking the work out of that by adding a water supply line to his Keurig. His coffee maker sits right next to the fridge, which has its own water supply. So one day he ...