FILL VALVE ANTISPHN 8.5" by MANSFIELD MfrPartNo 2206 Includes 6 inch refill tube and plastic coupling nut for use in 1.6 Gpf/6.0 Lpf toilets Sufficient refill to cover all consumptions Pilot Operated Anti-Siphon Fill Valve Assembled Length: 8-1/2 in. 8-1/2 inch adjustable lenth