IHO1162 Features: * Oil eco-twist leak detection kit * Eco-twist injection system * Contains 1/4oz. cartridge of universal A/C dye * Contains 1oz. cartridge of ester oil * Vacuum sealed to eliminate moisture contamination * Eliminates waste and cross-contamination of PAG oil * Design for the growing hybrid market * Vacuum sealed packaging has unlimited shelf life and eliminates possible moisture contamination Specifications: * Refill kit 321410 available Dimensions: * Dimensions: 2.25"" H x 4.5"" W x 7.9"" D Warranty: * 1 Year warranty on material and workmanship