These are Complete Systems - Empire FLO Basic Regulator with a JT Ultra Light tank. The FLO Basic comes in Polished Black. FLO Basic – Essential Features, Exceptional Performance Aluminum ASA Bonnet: Lightweight yet rugged construction. Quick Reference Color-Coded 6k Micro Gauge: Easy-to-read performance indicators. Balanced Fixed Ratio Piston: Dependable performance across the board. Internal Output Pressure Adjustability (Internal Pressure Plate): Adjustable range of 450 to 800 PSI with HP Plate storage. Micro Stainless Fill Nipple with O-Ring Seal: High-quality construction for dependable use. Redesigned Burst Discs (7.5k and 1.8k): Built for safety and longevity. Dual ASA O-Ring Tip: Reliable sealing, every time. Soft Rubber Fill Nipple Cover: Protection you can count on. Matte Finish Body: A subtle, rugged design for those who prefer understated style.