Raindrip 061010P Poly Drip Watering Hose, 5/8" x 100', BlackMain line for some drip installations. 25% more flow capacity than 1 2" hose. Professional quality hose is made from linear, low density polyethylene (poly). Composed of 2. 2% carbon black and UV inhibitors, it can be left out year round, buried or on the surface, in any weather. Superior to hose made from reprocessed materials. 5 8" x 100' Main line for some drip installations 25% more flow capacity than 1 2" hose Professional quality hose is made