Get unbeatable, professional results in infestation elimination with new Advion Roach Bait Gel. Advion Roach Bait Gel is powered by a unique, high-performing bait matrix that targets even the toughest species of gel bait-averse roaches including German, American, and Brown-Banded. Apply Advion Roach Bait Gel as a crack and crevice treatment indoors and outdoors in commercial, residential, and industrial sites.