https://brodexbms.co.uk/product/e650-water-fed-system/

Designed to fit all medium vans and trailers, the Brodex E-Compact 600 litre Systems are part of the latest generation of window cleaning equipment. Built for professional window cleaners from high-impact polypropylene, with quality components throughout. The Water Fed System is fast to set up, easy to use with extremely low running costs.