Semi-flexible design: Bends 90 degrees under pressure without leaking; returns to original position to prevent damage from mowing or foot traffic Pressure rated: Tested to 80 psi working pressure and 120 psi burst pressure; withstands 10,000+ pressure cycles for long-lasting performance Sizing: 1/2" inlet and outlet male NPT threads connects tee or elbow to spray heads or rotors requiring 1/2" connection Durable construction: Flexible material withstands constant minor stress better than rigid PVC risers Universal compatibility: Works with sprinkler heads from Orbit, Hydro-Rain, and other major brands; for outdoor cold water irrigation use