Greenwave Dirty Electricity Filter


Greenwave filters are designed to significantly reduce the level of dirty electricity present on the wiring in homes and other buildings. The less unhealthy dirty electricity there is flowing along building wires, the less that will radiate into your environment.

Filters for the U.S. and Canada are available with 3-prong plugs or 2-prong plugs. Both models include a built-in outlet at their base for plug-through convenience, and are safety certified (UL) and RoHS compliant.

Choose the specific number of filters you want for your home, business, workplace, etc. The price charged per filter will depend on the total number of filters ordered. (Not sure how many filters you will need? See full product description below for general guidelines to estimate your filter needs and for per filter pricing info.)

The effectiveness of Greenwave filters can be measured with Greenwave’s Broadband EMI MeterWe strongly recommend this meter for guiding the installation of dirty electricity filters. It can help you determine the best number of filters to install in each room and where to place the filters for optimal results. It can also help you troubleshoot problems, such as resonance, that occasionally arise during installation.

$15 meter discount with the purchase of 8 or more filters. Use coupon code meter15 at checkout.

See full Product Description below for details about Greenwave filters, including a few important safety precautions.



Greenwave filters significantly reduce the amount of DIRTY ELECTRICITY flowing along the wiring in homes and other buildings. This is an effective and practical way to clean up this type of EMF pollution. The less dirty electricity there is traveling along building wires, the less that will radiate into your environment.



The term DIRTY ELECTRICITY refers to erratic surges and spikes of electrical energy traveling along power lines and building wires, where only standard AC electricity should be. Dirty electricity is ONE of four types of EMF pollution now common in homes and other settings. It is also known as electrical noise, line noise power line EMI (electromagnetic interference), and microsurge electrical pollution.

Dirty electricity is created by modern electronics, appliances, energy-efficient lights, and many other devices that run on electricity. Why? Because many of these devices no longer use standard AC electricity “as is.” Instead, they must change or manipulate electrical current in one way or another to operate. For example, many electrical devices must convert standard 50/60-Hertz AC electricity (alternating current) into other forms of electricity [such lower voltage direct current (DC) or higher frequency AC] to operate. And, many devices now draw power from wiring intermittently, in short bursts or pulses rather than continuously. They do this by turning the flow of power to a device “on” and “off” repeatedly, sometimes thousands of times per second.

These processes interrupt the smooth flow of standard AC electricity, creating harmonics and erratic spikes of electrical energy known as voltage transients. Once created, this unusable “dirty electricity” spreads throughout a building and even to other buildings via wiring, power lines, and other means. As it travels, dirty electricity radiates potentially harmful electromagnetic fields (EMF) into environments where we live, learn, work, play, and more.

Dirty electricity can interfere with the proper functioning of appliances and electronic equipment, and more importantly, with natural electrical processes within the human body. Exposure to dirty electricity and other types of EMF pollution has been associated with a wide variety of health problems such as cancer, diabetes, asthma, sleep disturbances, fatigue, skin rashes, tingling sensations, allergy symptoms, headaches, muscle and joint pain, brain fog, memory loss, ADHD/ADD symptoms, depression, anxiety, and more.



Greenwave filters use the latest electromagnetic interference (EMI) filtering technology to significantly reduce harmonics and voltage transients present on the wiring in buildings. This is an effective and practical way to target this particular type of EMF pollution. The less dirty electricity there is flowing along building wires, the less that will radiate into your environment.

The filters simply plug into electrical outlets and multi-socket power strips. They “short out” (shunt) erratic surges/spikes of electrical energy (i.e., dirty electricity), while allowing standard 50/60-Hertz AC current to pass through unimpeded.




  • Easy to use! Simply plug the filters into outlets and multi-socket power strips for immediate results.
  • Built-in outlet for plug-through convenience. Most Greenwave filter models include a built-in outlet at their base. You can plug electronics and other devices into the filters when you need an outlet to access power.
  • Safety certified and environmentally friendly. Greenwave filters meet rigorous electrical safety standards (e.g., UL) and are RoHS compliant. RoHS regulations restrict the use of specific hazardous materials such as lead, mercury, cadmium, and phthalates in electronic and electrical equipment/products.


For best results, we recommend installing Greenwave filters throughout your environment. The number of filters needed will depend on the size of the building or space where you want to install them (e.g., # of rooms) and on the concentration of electronics, appliances, energy-efficient lights, and other electrical devices in each room. Here are some general guidelines to help estimate your filter needs.

Home Environments:
The chart below shows the number of filters typically needed for most rooms within homes. You can use this chart to help estimate the number of filters you may need for your home.

Type of Room Number of Filters
Typically Needed
Kitchen, Family Room, Living Room, Media Room, Home Office 3 – 4 filters
(each location)
Bedroom, Dining Room, Laundry Room 1 – 2 filters
(each location)
Bathroom, Walk-In Closet 1 filter
(each location)
Basement, Garage, Tool Shed, Workshop 1 – 2 filters
per 150 square feet

5 filters per classroom

Business Settings:
2 to 3 filters per 100 square feet

Please keep in mind that these are estimates and provide a good starting place for thinking about the number of filters you will need. For the best accuracy, a Greenwave Broadband EMI Meter is suggested. If you would like help determining your filter needs, please contact us at or 1-800-506-6098.



The price charged per filter will depend on the total number of filters ordered.

1 – 3 filters: $35.00 per filter
4 – 7 filters: $34.00 per filter
8 – 15 filters: $33.00 per filter
16 – 19 filters: $32.00 per filter
20 or more filters: $31.00 per filter



The effectiveness of the filters can be measured using Greenwave’s Broadband EMI Meter. Simply plug the meter into electrical outlets to measure the amount of dirty electricity on nearby wiring before and after installing filters. The meter is also an excellent tool for identifying sources of dirty electricity in your environment and guiding the installation of Greenwave filters. It can help you determine the best number of filters to install in each room and where to place the filters for optimal results.



If you are not completely satisfied with Greenwave filters, you may return them to Greenwave International within 60 days of purchase for a refund or credit. A 5% restocking fee may be imposed for returns, unless the return is due to a manufacturer defect in the product or a shipping error.



Plug-in dirty electricity filters are not always compatible with solar energy systems and the storage back-up units they use. Check with your solar system manufacturer before installing Greenwave filters.

Greenwave filters and other dirty electricity filters that utilize capacitance technology should NOT be used in buildings being powered by a generator (for example during power outages). If you have a generator to provide electricity during power outages or at other times, UNPLUG dirty electricity filters while the generator is operating to avoid possible damage to your generator, filters, and/or other equipment, appliances, and systems in your environment. The filters can be plugged back in when your home or building has returned to grid-supplied power and your generator is no longer running.


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