COXREELS� Alumi-Pro� Series �Aluminum Professional-Grade� spring driven hose reels have the strength of steel without the weight! The Alumi-Pro� series is modeled after Coxreels� popular P Series line of hose reels, but are uniquely constructed out of high quality aluminum. They�re compact, lightweight and non-corrosive making them the perfect choice when polypropylene or plastic hose reels are not the preferred choice due to their limited strength and durability.