Aluminum bottle for Nitrogen Shock Filler Kit and the Lovell T-Case Air System. This bottle comes with a special regulated valve which features a pressure gauge to tell you how much pressure is left inside the bottle. This valve style is made to fit our PRO Series Sidearm Regulator. Black powdercoat finish. Capacity: 72 cu. in. Easy to refill with our N2 Power Filler. Can be refilled without removing from bracket or car.