MasterLine Kontrol 31-67 Concentrate

MasterLine® Kontrol™ 31-67 Concentrate for Mosquitoes, Flies, and Gnats is a fully loaded oil base formulation with 31%permethrin / 67% PBO.  It is ideal for use in situations with hard to control pests.  The additional PBO provides the extra kick yielding higher knock down.  Kontrol 31-67 does not have an EPA water set back requirement and can be used "neat" (undiluted) or diluted, 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 745135
    55 Gallon NA 752400
     275 Gallon NA 753088

    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