Wherever automatic cisterns are required, the 4.5L Urinal cistern with automatic syphon from Dudley provides an ideal solution. As with every Dudley product, the automatic cisterns undergo exhaustive and rigorous testing which means that when they are installed, reliability and durability come as standard. The cisterns are perfect for use with commercial urinals and can be installed with confidence into public and commercial applications. Easily fitted directly to most materials and provides an install-friendly and extremely reliable solution. The 4.5 litre cistern is suitable for flushing a 1/2 person urinal trough or 1/2 urinal bowls.