YKT1173 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