15lb Capacity: Provides ample nitrous storage for extended use. Lightning 500 Valve: Includes a billet aluminum valve with a 5/8 siphon tube, high lift stem assembly, and dual gauge ports for optimal flow and performance. Compact Design: Dimensions of 6.89" diameter x 26.69" tall for easy installation. Durable Construction: Powder-coated finish for a tough and attractive appearance. -6 Nipple: Ensures compatibility with your nitrous system setup.