The Fluidmaster Delchem side inlet part 3 float valve with adjustable 12. 7 mm plastic tail is a dependable toilet float valve replacement for most ceramic or plastic cisterns. This side entry filling valve features an adjustable arm and low noise for a quiet and efficient fill. It is neat and compact, fitting most toilet cisterns, and is easy to install. Manufactured from high-quality materials, it ensures a long-lasting product.