Onslaught Insecticide

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Onslaught insecticide has an active ingredient that not only targets more than 200 insects, but it also provides residual activity to keep infestations under control. It eliminates crawling and flying insects both indoors and outdoors and can be used in residential and commercial areas, including restaurants and other food-handling establishments. Whether it's bedbugs or mosquitoes, Onslaught provides effective pest control for homes and businesses.

  • Not For Sale CT, VT
    Active Ingredient(s) (S)-cyano (3-phenoxyphenyl) methyl-(S)-4-chloro-alpha-(1-methylethyl) benzeneacetate 6.40%
    Used For Bed bugs, Cockroaches, Stink Bugs, Fleas, Mosquitoes, Brown Dog Ticks, Granary Insects, Litter Beetle, Flying Insects, Stinging Insects and others
    Manufacturer MGK
    Free Shipping

    How Onslaught Insecticide Works

    Onslaught contains a synthetic pyrethroid known as esfenvalerate. It acts on the insect's nervous system, causing paralysis and death. It provides quick knockdown of the target pests and leaves behind a lasting residual, continuing to control insect pests in the treated area. Onslaught works on contact and over time and should be applied with a hand sprayer or a power sprayer.

    Where to Use Onslaught Insecticide

    Use Onslaught liquid insecticide inside homes, offices and other buildings to treat insects and to prevent infestations. It can also be used outdoors around perimeters and in cracks, crevices and voids to target nests and individual insects. Apply it on turf and ornamentals to kill sap-sucking insects without fear of harming the plants. Though it can be used in food-handling areas, it's important to read the label for exact application instructions.

    Target Pests

    Onslaught insecticide kills more than 200 pests inside and outside homes, businesses, warehouses, restaurants and other sites. It targets everything from ants and bedbugs to termites and wasps. It provides quick knockdown and residual control to decrease pest populations. Use Onslaught with a sprayer to kill these insects and more:

    • Roaches
    • Ticks
    • Earwigs
    • Fleas
    • Silverfish
    • Flies
    • Pantry pests
    • Lice


    Reasons to Use Onslaught Insecticide

    • Controls more than 200 pest insects
    • For use indoors and outdoors
    • Provides residual pest control for 12 months
    • Doesn't produce a foul odor
    • Easy to mix in water and to apply with a sprayer


    Onslaught Insecticide Kills More Than 200 Pests

    Get broad-spectrum pest control and prevention for at least a year with Onslaught liquid insecticide. It contains a potent synthetic pyrethroid for targeting numerous insect pests and knocking them down quickly. Because the ingredient remains active after application, it continues to keep pests out of homes, businesses and other structures. Use it outdoors to eliminate ant colones and indoors to control roach infestations. No matter if it's termites or chiggers, Onslaught is an effective professional and DIY pest control product to control insect populations.


    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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