We use 6 metre lengths as common with Storz fittings. These fittings link very quickly so we will use a number of lengths of hoses to reach the link points. Please talk to our expert workforce who can specify the portions of hoses and fittings during a internet site study. https://josuekqvzc.bleepblogs.com/38482535/an-unbiased-view-of-industrial-boilers-uk