DIG 100' x 1/4 Inch Vinyl Micro Tubing with .245 OD Maximum operating pressure: up to 30 PSI ; Maximum flow rate: .15 GPM (9 GPH) with a head loss of 6.1 PSI Interchangeable with other manufacturers brands of the same ID micro tubing Softer, more flexible, and easier to use than poly micro tubing Meets the demands of micro irrigation systems for above or below the ground installations Made of commercial grade vinyl resin