Ecotec HDPE Sump Fuel Dispenser Sump Upp Hose for Gas Station

UPP stands for Ultra-High Purity Polypropylene, which is a piping system used for transporting high-purity fluids. This piping system has a unique design that incorporates double-wall construction with an inner layer of pure, unpigmented polypropylene and an outer layer of pigmented polypropylene. This construction helps to prevent any contamination of the transported fluids.