Have a solar-powered home? Skip the DE filters
An engineer named Michael Schwaebe ran some tests that show how dirty electricity filters increase the amount of dirty electricity when a solar inverter is used (for solar power).
In the United States or Canada
You can buy dirty electricity filters from the US-based EMF-Protection store.
In Europe (France, Germany, Italy, Spain, Sweden, etc.)
You can buy dirty electricity filters from the UK-based EMF-Protection store.