We use 6 metre lengths as conventional with Storz fittings. These fittings join very quickly so we will use a number of lengths of hoses to get to the connection points. Remember to talk to our professional team who can specify the quantities of hoses and fittings through a web-site https://holdengraiq.oblogation.com/37057681/5-tips-about-industrial-boilers-uk-you-can-use-today