The Viva Skylo dual entry 4 in 1 fill valve is kitted out with a delayed fill which means lower water bills and keeps your cistern eco-friendly. This revolutionary dual entry toilet fill valve can easily switch between a bottom or side entry valve and theres no need to worry about those tight spaces as the float can rotate 180 degrees. Additionally, the Viva Skylo dual entry fill valve features a heavy-duty brass shank that wont crack, corrode or strip and cuts down on noise.