383120 Size: 0.5" x 12" Features: -PVC schedule 80 nipples.-MIP x MIP.-Teflon thread is recommended for threaded joints.-Used for sprinkler systems where an extension is needed for the sprinkler head to be above ground level.-Also may be used to prevent damage to the sprinkler head.-Tefon thread tape is recommended for threaded joints. Color/Finish: -Color: Gray. Dimensions: -Dimensions: 0.69-1.06" H x 0.69-1.06" W x 1.38-18" D.