Zenprox EC Insecticide

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Insect pests invade residential and commercial interiors through cracks and crevices every day. Even when all the doors and windows are closed, insects find ways to raid indoor spaces and cause problems for residences and businesses. Zenprox EC insecticide kills more than 25 nuisance pest species on contact and provides residual control when targeting fleas. It can also be mixed with Precor IGR to provide greater control of current and future indoor pest infestations.

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    Active Ingredient(s)

    Etofenprox - 16.2% Piperonyl butoxide - 64.8%

    Used For

    Ants, Bed bugs, Carpet beetles, Cockroaches, Centipedes, Crickets, Darkling beetles, Earwigs, Firebrats, Flies, Fleas, Fruit flies, Gnats, Indian meal moths, Millipedes, Mosquitoes, Moths, Pillbugs, Scorpions, Silverfish, Sowbugs, Spiders (Brown recluse, Black widow, others), Ticks, Wasps



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    How Zenprox EC Insecticide Works

    Zenprox EC Insecticide contains two active ingredients to kill pest insects on contact. First, it contains 16 percent etofenprox for fast and effective control of the target insects. It's a synthetic pyrethroid that lasts longer than similar pyrethroids in its class. It goes to work quickly through digestion or contact and paralyzes the insects. Because they can't eat or perform any movements, they die within minutes or hours.

    Second, Zenprox EC Insecticide contains piperonyl butoxide, a synergist that's used in many different pesticides. It boosts the active ingredient, enhancing the effects and helping it to kill the target pests more quickly. Because it contains 64 percent piperonyl butoxide, this product is highly effective at killing even the most resistant species such as bedbugs and roaches.

    Where to Use Zenprox EC Insecticide

    Zenprox EC insecticide is labeled for indoor use only. It should not be applied outdoors as it can harm beneficial insects and other life. It can be applied as a broadcast treatment or as a spot, crack or crevice treatment to target insects in areas such as closets, crawlspaces and corners. Use Zenprox EC in the following areas and more:

    • Apartment buildings
    • Hospitals
    • Rail cars
    • Homes
    • Offices
    • Nursing homes


    Target Pests

    Zenprox EC Insecticide controls more than two dozen insect species, from ants and cockroaches to fleas and pantry pests. It targets spiders in corners and stinkbugs on windows. It also effectively kills and controls ticks that have invaded the interior. Use Zenprox EC to control some of these common insects:

    • Carpet beetles
    • Earwigs
    • Gnats
    • Mosquitoes
    • Silverfish
    • Wasps


    Reasons to Use Zenprox EC Insecticide

    • Kills and controls 25 different insect pests
    • Controls flea infestations for up to one month
    • Contains a synergist for more effective pest control
    • For indoor use only such as in homes, hospitals and offices
    • Works on contact to kill insects quickly


    Use Zenprox EC Insecticide for Contact Kills

    Whether it's fleas or cockroaches, Zenprox EC insecticide quickly kills the target insects. It's perfect for controlling pantry pest infestations and stopping roaches from populating the interior. The active ingredient and the combined synergist provide quick results and up to a month of residual control when treating fleas. It also kills bedbugs and helps to prevent the eggs from hatching. Use this product alone or with an insect growth regulator like Precor IGR for maximum indoor pest control.


    It is a violation of Federal law to use this product in a manner inconsistent with its labeling. Do not apply this product in a way that will contact workers or other persons, either directly or through drift. Only protected handlers may be in the area during application. For any requirements specific to your State or Tribe, consult the agency responsible for pesticide regulations.



    For additional information on this product please reference the CDMS label database listed below


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