The Westbrass 5/8 inch compression (1/2 inch nominal copper pipe) inlet x 3/8 in OD outlet valve and mathching sure-grip flange, combines with a 3/8 x 20 inch annealed copper toilet supply riser to make it easy to outfit your toilet. The kit includes everything required to supply water to your water closet, including an attractive Qubic angle stop, flange and flat head riser. Available in a variety of stylish finishes, this item is sure to complement your existing fixtures. Westbrass Fine Decorative Plumbing since 1935.