Skylo Bottom Entry Fill Valve 1/2" UK Brass Thread
A fill valve is what fills the toilet cistern to the correct level. It also replaces an old fashioned ball valve making your cistern more efficient.
The Skylo brand offers a fantastic and comprehensive range of float valves.
Features Include:
Easy to Install, Telescopic, Quiet Fill, Water Saving Delayed Fill and Double Check Valve.
Install Instructions can be found here