Maxforce Roach Bait Stations with fipronil may be used for the control of small cockroaches such as German or Brown-Banded. Roaches will begin eating the bait immediately and you should expect to see fewer roaches within 3 days. Maxforce Roach Bait Stations are all about fast control and secondary kill. Due to Fipronil and its accelerated Domino Effect kill, Maxforce Roach Bait Stations start to kill roaches in just eight hours. And field tests show 75% population reductions in just two days for roaches!The bait formula is that irresistible, and works that fast.It’s also convenient and easy to use. The small roach station bags contain loose-packed single stations and are resealable to keep baits fresh and protected from contamination. Plus, the patented inspectable red station lids now have an additional feature: A debossed lid that’s index welded to the base, creating even greater bait station integrity. And, the easy peel-and-stick adhesive makes application fast. Accelerated Maxforce Domino EffectOur new fast control formula still gives you superior long-term control of roaches compared to contact sprays. The new active ingredient, Fipronil, provides a unique mode of action that works through both ingestion and contact, knocking down roaches that eat or simply touch the bait. Either way, one contaminated roach or ant kills many others where they live and breed. The Domino Effect still achieves population control, but with faster visible results. ALWAYS READ THE LABEL BEFORE USE!!