ATL Welding Supply stocks Gentec Quick Connect Sets for oxy-acetylene or oxy-propane cutting. The quick connects sets are different depending on where the quick connect goes in the system. Regulator-Hose goes between the regulator & hose. Hose-Hose connects 2pcs of hose together. Torch-Hose fits the torch quickly to the hose. Each quick connect goes in different directions for where they fit in the system.