Kills fleas and flea eggs for up to 7 months. Also kills ticks, spiders, ants, and cockroaches. One unit treats up to 6,000 cubic feet. Pyridine .1%, Pyrethrins .05%, N-Octyl Bicycloheptene Dicarbximide .4%, Permetrin .4%, Related Compounds .035%, Other Ingredients 99.015% 6 OUNCE