We use 6 metre lengths as typical with Storz fittings. These fittings link in a short time so we will use multiple lengths of hoses to get to the relationship factors. Please speak to our professional crew who will specify the quantities of hoses and fittings during a web-site survey. https://industrialboilersuk66543.link4blogs.com/58999388/industrial-boiler-hire-can-be-fun-for-anyone