Paintball 12 Gram CO2 Cartridge – (10 pack) $4.00 12 Gram CO2 Cartridge – (Single) $0.50 20 oz. CO2 Tank $20.99 Chest Protector $14.99 Coiled Remote Hose $39.00 Pressure Gauge (500psi.) $20.00 Push Button On Off Valve For CO2 Paintball Tanks $22.99