High Efficiency Particulate Air filters (HEPA) are what doctors suggest for optimal results, but they can get pricey. Luckily, a comparable DIY solution can be found at your local hardware store.

If you’re wondering what the best whole house water filter systems are, check out our top 10 list with information on factors like cost and reviews.

Having an adequate supply of water is a non-negotiable while camping or hiking. If you're in an emergency and need water, here's how to DIY a water filter.