About

The Hague-based GS Filters BV was established in 2008 with the primary purpose of importing and distributing STETZERiZER products throughout Europe, United Kingdom and Australasia. We are the sole European distributor for STETZERiZER Filters (Graham-Stetzer Filters) and the STETZERiZER Microsurge Meters.

Our aim is to help as many families as possible by being the world leader in the distribution of electromagnetic field radiation filters for electrical wiring.

The Stetzerizer Filters are the only products of their type in the world scientifically tested and proven to reduce ‘dirty electricity’ from electrical wiring in homes, schools and offices. Already sold extensively throughout the US and Canada, the filters have demonstrated effectiveness in reducing symptoms associated with electrical hypersensitivity, assist diabetics regulate blood sugar levels and reduce symptoms of multiple sclerosis.