Description Gaslow 2nd Cylinder 600mm Connector Stainless Steel Hose 2nd Cylinder 600mm Connector Hose. Turning a single cylinder system into a twin could not be easier. This 0.6m Stainless Steel hose with 3/4” UNF connections connects the Gaslow Cylinder 1 and Cylinder 2 together. When you go to fill up, both cylinders will be automatically filled
