roach pellets

Active ingredients listed include bifenthrin (0.5%), avermectin B1 (0.05%), and lambda-cyhalothrin (0.04%).

Some products claim fast knockdown within about 24 hours, while residual control varies by product—some labels advertise protection lasting up to three months.

Guidance commonly recommends creating a protective barrier—either covering larger areas or applying a 3 to 10 foot band along foundations. Many products advise lightly watering granules after application and provide specific square-foot coverage on the label.

Fast-acting granules can kill insects in about 24 hours; indoor baits typically reduce populations over several days. Some products also advertise residual activity that can last up to three months, per the label.