Ravin Serving FluidThe Ravin Serving Fluid is a string and serving fluid made by Ravin Crossbows.The Apex Hunter knows the value of maintaining their weapon. Ravin Serving Fluid is critical in proper maintenance and care for your Ravin. This non-wax polymeric lubricant should be applied to the center serving of the string. Fluid is odor free, waterproof, and should be applied at least once a year or before use in weather below 32 F.Order the Ravin Serving Fluid from BattleHawk Armory today.Key FeaturesOdor FreeWaterproofShould be applied at least once a year or before use in weather below 32 F.Product SpecificationsManufacturer: Ravin CrossbowsModel: Ravin Serving FluidManufacturer Part Number: R280UPC: 815942022801Frequently Asked QuestionsWhat is the part number of the Ravin Serving Fluid?The manufacturer part number is R280, and the UPC is 815942022801.Shop more Ravin crossbows and accessories at BattleHawk Armory and get your Ravin Serving Fluid on the way.