Essential Rearming Kit for Onyx Inflatable VestsThe Onyx Rearming Kit provides the components needed to rearm compatible Onyx automatic manual inflatable life jackets. Designed for models 1320 and 1321 this kit includes a 24 gram CO2 cylinder indicator clip and water soluble bobbin along with instructions for proper installation. Includes 24 gram CO2 cylinder with 1/2 inch thread Comes with green indicator clip Includes yellow water soluble bobbin Fits Onyx models 1320 and 1321 Designed to rearm automatic manual inflatable vests