The CSI Pest 82770008 is 15Oz of Fuse Foam Insecticide. Fuse Foam is a Combination Chemistry® product that utilizes both Fipronil and Imidacloprid in a ready-to-use, expanding foam. Fuse Foam gives PMPs the opportunity to begin treating a structure for termites immediately, right on the sales call; then schedule the full treatment for later. Fuse Foam could be the most important tool in the toolbox when it comes to stopping termites and ants, and preventing their spread inside a structure. With a 30:1 expansion ratio, one can produces approximately 3.5 gallons of foam.