LASCO 04-4026-MASTER 04-4026 Toilet Ballcock Anti-Syphon Magnus Plastic with Adjustable 8-12-Inch Fill Valve with Refill Tube and Nut, 24-Pack, 24 Piece - - Amazon.com
FLUIDMASTER Plastic Anti-Siphon Fill Valve, Gray, for Use with Most Toilet Tanks: Amazon.com: Industrial & Scientific