FourStar® Briquet - 45

Featuring naturally occurring active ingredients, Bti and Bsph, this FourStar® Microbial Briquet formulation provides up to 45 days of residual mosquito control. Its unique dual-action sustained release technology allows mosquito control professionals to be proactive and pre-treat potential mosquito breeding sites. FourStar® Microbial Briquets can be applied to standing water without fear of harming aquatic life as well as in areas frequented by humans, livestock and wildlife.


  • Proven microbial active ingredients 
  • 6% Bsph and 1% Bti 
  • Long-term residual control of up to 45 days or more 
  • Sustained release technology

Manage mosquito populations and your mosquito abatement budget at the same time.

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