Can be used both above and below ground;Protects copper from corrosion;Continuously line marked for clearer identification;Easy to install - no additional training required;Uses standard flare fittings;Economical;Eliminates on-site sleeving for special applications;Protects tubing from exterior physical damage (flowers beds, door thresholds and high traffic areas);Quick and easy removal of tubing from concrete if necessary;Durable high density polyethylene sleeve (HDPE);Time & cost savings