WDI Anti-Siphon Toilet Tank Fill Valve - 8" Fixed Height This fill valve has been replaced and superseded by the WDI B3260 fill valve. WDI Fill Valve Model No. B3831W Fixed 8" Height Meets US and Canada industry standards for plumbing code. Tested and certified (cUPC and ASSE) Includes fill valve, refill tube, cone washer, and coupling nut For more information, please contact us at support@wditechnology.com or call us at 1-800-769-4857