A complete maintenance kit for both MiniWorks and WaterWorks microfilters. . Packs into a hard case for easy storage and transport. . Small enough for field use. . Kit comes with O-rings, inlet foam, an inlet valve, an outlet cap, and silicone lubricant. . Full kit measures 3.3 in. x 1.8 in.. . Weighs 1.1 oz.. . Spot clean. . Limited lifetime manufacturer 40818560020 19830300012 56002