Gas fuel cell with added lubricant for Series-i cordless framing and positive placement nailers.Suitable for IM90i and IM360Ci Impulse framing nailers.Patented lubricant included in gas mixture to ensure optimum performance of the tool at all times.Patented dosing valve works with fuel injection system of the tool to ensure correct dosage for ambient temperature.Fuel cell capacity – 1,250 shots at optimum temperature (between -15°C & +49°C).