Primus Gravity EF II (inc Piezo). Use this small, convenient Primus EF (Easy... More Fuel) spider-type stove for backpacking and short camping outings to save weight and space. Includes piezo self-igniter, reflector and windscreen Safe and easy to use 10,500 BTU Low center of gravity, with four collapsible legs Serrated supports for large and small pots Stove size (LxWxH): 6-¼x6-¼x2-3/8” Windscreen size (HxW): 6x30” Weight : 14 oz. Material: Brass and aluminum, fabric stow sack CLOSEOUTS . Estonia. For use with propane-butane fuel cartridges intended for this type of stove only (not included).