BaitFuel Injector Kit Refills - Designed to enhance your favorite soft plastics with the power of Baitfuel and to be used with the Baitfuel Injector Kits, these Refills are a lifesaver when you run out mid session. Designed to enhance your favorite soft plastics with the power of Baitfuel and specifically made for use with the Baitfuel Injector Kits, these refills are a lifesaver when you run out mid-session. 3 Cartridges Fish Active Scent Technology (FAST) stimulates a fish's predatory instinct