Combat Max Roach Killing Gel for Indoor and Outdoor Use, 1 Syringe, 2.1 Ounce (Pack of 1)Brand: Combat Color: Transparent Features: Starts working in hours. Fast control of even large roaches. For hard to reach places such as cracks and crevices. Long residual action. This package includes one 2. 1 ounce syringe of Combat Max Roach Killing Gel. Binding: Misc. Supplies Release Date: 07 07 2011 model number: 234005196004 Part Number: 5455 Details: Combat Max Roach Killing Gel formula attracts roaches with the food and water they need.