30175 Features: -PVC reducing coupling. -Used to reduce or enlarge pipe sized. -PVC Schedule 40 pressure fittings. -Ideal for cold water pressure applications. -Used in irrigation, underground residential sprinkler system, water service pipe, deionized water lines, swimming pool installations and some chemical drainage systems. -Meets ASTM D2467. Specifications: -3/4" Slip x 1/2" Slip. -Dimensions: 3" H x 1.25" W x 1.25" D.