MDE 3ltr 300 Bar Air Bottle PCP bottle Air rifle Charging Cylinder £159.00 MDE 3 ltr 300 BAR Charging Bottle and Fittings High quality air cylinder designed for refilling any and all PCP rifles. The 3 litre bottle is the smallest and lightest air bottle in the MDE range. On the inlet there is a patented device which automatically restricts the flow rate into the airgun even if the valve is fully opened, allowing for a slower and safer fill if needed. Available in 3ltr, 4ltr, 7ltr and 12ltr variants. Specification Weight : Manufacturer : Midland Diving Equipment 300 Bar All cylinders are supplied empty as they can not be shipped under pressure.