Michael from Covina, California writes
Tengard SFR and Permethrin SFR are the same ingredients why isn't Permethrin labeled for as much?
Answer:
Permethrin SFR 36.8%Â is not labeled for as much, becuase it has not been on the market as long. It has not has as much time to research.
Answer last updated on: 05/01/2017
