We use six metre lengths as normal with Storz fittings. These fittings connect in a short time so we will use numerous lengths of hoses to get to the link points. Please talk to our expert staff who can specify the quantities of hoses and fittings through a web page https://industrialboilersuk55432.blogtov.com/18675138/the-fact-about-industrial-boilers-uk-that-no-one-is-suggesting