Ever wondered how to weed out the bad home water filters from the good ones? Picking out a good filtration system for your home can be a tough choice because there are so many options out there competing for your attention. You can choose from reverse osmosis, distillation, and carbon filters. You have a choice between purchasing whole house filters, shower filters, sink filters, and kitchen faucet filters. There is so much to choose from and the only way to narrow your options is by learning a little bit about how water filters work.