RIO Agent X Fly Line Cleaning Kit Write a review by Rio Sold out €12.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out AGENTX LINE CLEANING KIT The perfect kit for keeping your fly line in the very best of condition. The AgentX Fly Line Cleaning Kit comes with a pack of RIO's Wonder Cloth and a bottle of AgentX Line Dressing to keep your fly line working in tip top shape. The kit comes complete with a 1 oz. bottle of AgentX and two Wonder Cloths. An easy application will keep your line casting further and floating higher much longer than untreated versions.