Long Acting KnockOut Flea & Tick Spray with Nylar (insect growth regulator) by Virbac kills fleas for 2 months and kills ticks (including Lyme Vectors) for 1 month. Nylar IGR sterilizes fleas for 3 months.
Active ingredient:
*Permethrin: CAS 52645-53-1.................2.00%
**Pyriproxyfen: CAS 95737-68-1 (Nylar**)....0.05%
Other Ingredients...........................97.95%
Total.......................................100.00%
