MasterLine Kontrol 4-4

MasterLine® Kontrol™ 4-4 for Mosquitoes, Flies, and Gnats is a  4.6% permethrin / 4.6% PBO low odor oil formulation that is ready to use and ideally suited for most areas over specific crops including alfalfa and range grasses.  As a non-corrosive, it won't damage cars, trucks or airplanes.  Its broad spectrum, superior formulation is clean and clear and provide quick knockdown of most mosquito species as well as other Diptera species such as biting and non-biting midges, black flies and gnats.  With no EPA required water set back, Kontrol 4-4 can be applied ultra low volume (ULV) by air or ground. It can also be applied either as a mist barrier or from a thermal fogger.


  • Superior Formulation - Clean, clear product. Won’t clog equipment.
  • Quick Knockdown - Relief starts in just seconds. Insects are both knocked down and killed.
  • May be applied over specific crops including alfalfa and range grasses, residential, municipalities, playgrounds, parks, golf courses, woodlands and campgrounds.
  • Effective against species of mosquitoes, flies and gnats.
  • Versatile - Easy to apply by air and ground ULV, thermal foggers and by mist barrier applications.
  • Low Odor.
  • Elimination of the 100 ft water set back.
  • Approved for treatment of corrals, feed lots, poultry ranges and zoos.
  • Solid support from Univar on every MasterLine product.
  •  Package Size Per Case Product Number
     2.5 Gallon 2x1 685121
     55 Gallon Drum NA 685123
     275 Gallon Drum NA 685125

    On Permethrin 1:1 and 1:5 Ratios 

    "No significant difference in mortality was observed between the 1:1 and 1:5 formulations - therefore, from a purely economic standpoint, this marginal increase in mortality may not justify the increased cost of using the 1:5 formulation."

    R.L. Groves: M.V. Meisch & R. Nunez
    Journal of the AMCA, 1995
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    How To Order

    • 1) Call 1.800.888.4897
    • 2) Locate A Univar ProCenter
    • 3) Online Store