When operating this tool in altitudes from 4,000-9,000 feet it is recommended that the Paslode 219247 High-Altitude Blue Metering Valve (sold separately) be used with the tools yellow fuel cell.Not just cordless - Paslode Cordless. That means no hoses, no compressors, and no hassles. Impulse Technology allows for minimal set-up so you can save time and money on the jobsite. Paslode Cordless uses a patented fuel plus battery system which has resulted in compact, lightweight tools that also offer exceptional power and performance. The Paslode Factory Reconditioned IM250II is a great example of this innovation. This ultra-light nailer packs a hefty punch for only weighing 4.75 pounds. Its able to drive 3/4 to 2-1/2 fasteners with ease, making it extremely versatile. You can also adjust the depth of drive without tools, saving you more time. Convenience of features and portability - what could be better? Attention International Customers Paslode products cannot be shipped outside of the USA.