Coxreels EZ-P-NP-350 Spring Rewind Hose Reel for Nitrogen : EZ-Coil safety system equipped, 3/8" I.D., 50' hose, 300 PSI is part of our Nitro-Pro® Series COXREELS® selection. COXREELS® Nitro-Pro® Series spring driven hose reels are the only nitrogen hose reels specifically engineered, tested and approved for use with nitrogen tire inflation systems. These professional-grade specialty reels feature compact space-saving size and heavy duty construction for flexible installation and long-lasting performance. The EZ-Coil®model features Coxreels®’ patented rewind safety system that retracts up to 80% slower than conventionalspring driven reels. This reel is specifically designed to reduce workplace accidents and increaseoperator safety.