This Torbeck Bottom Entry Adjustable Height Compact Inlet Fill Valve is designed for efficient and reliable operation. The Torbeck Compact B/E Ballvalve features a 9 1/2 x 1/2" PTDMVIDIRTBCBE connection, ensuring a secure and leak-free fit. It is an ideal choice for modern plumbing systems, offering durability and ease of installation. The bottom entry design allows for convenient water supply connection. This valve is a high-quality component for any toilet cistern.