Advion® Cockroach Gel, from Syngenta, is easily the most popular German roach bait available on the market. The poison, is protected to be used in the most sensitive of application sites. Advion® Cockroach Gel Bait delivers unbeatable, professional results in infestation elimination. Powered by a unique, high-performing bait matrix, Advion® Cockroach Gel targets even the toughest species of gel bait-averse roaches including German, American, and Brown-Banded. Apply Advion® Cockroach Gel as a crack and crevice treatment indoors and outdoors in commercial, residential, and industrial sites.