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Jason from Providence, Ri writes

What is the best flea insecticide concentrate labeled for broadcast application indoors?

I had hoped to use D-Fense SC and Precor IGR concentrate; however, it appears that D-Fense SC can only be used for broadcast application in fighting flea infestations in commercial buildings, not residences.


We recommend Onslaught. Onslaught is labeled for fleas and can be used as a broadcast spray indoors and outdoors. If you are treating indoors and may also need to treat outdoors you might want to consider using Archer IGR or Martins IGR as they are photostable and Precor IGR is not. You can save a few dollars by buying our Outdoor/Indoor Flea Kit which contains Onslaught and Martins IGR.

Answer last updated on: 09/01/2011

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