Transkei Nose System pack of 3 Extra Scent-emitting Cartridges Medium Crawfish Scent. These extra cartridges are made to fit into the Transkei Nose System Lures. Each cartridge gives off a natural concentrate which reproduces the equivalent scent emitted by 30 wounded bait fish. The medium cartridge fits 3-1/8" and 4" baits.
