We use 6 metre lengths as conventional with Storz fittings. These fittings link in a short time so we could use several lengths of hoses to get to the connection details. Remember to talk to our expert workforce who can specify the portions of hoses and fittings through a website https://industrialboilersuk55432.blogtov.com/18675138/the-fact-about-industrial-boilers-uk-that-no-one-is-suggesting