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Your cart is empty.No filter is guaranteed to eliminate all interference, only if the interference source on the electric path corresponds with the filter frequency, it have the best effect. In a word, adding a filter must be better than no filter. The biggest effect of the filter is to improve the stability of the equipment and prolong the service life of the equipment.
GGmom1517
Reviewed in the United States on February 25, 2025
Had a microwave that was sending excessive harmonics back and was affecting other circuits through the main panel. I installed this device and it cleared up the problem. Wouldn’t have believed it if I hadn’t seen it! Solid construction and small enough to fit inside an electrical panel.
esarhaddon
Reviewed in the United States on April 2, 2021
Was smaller and better built than the old unit it replaced. Very Pleased. Good price too.
Guy Dudley
Reviewed in the United States on April 2, 2019
Items were as expected and came in a timely manner. Would order again if needed.
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