The Twin Connection Regulator gives you the flexibility to connect your burner to either a smaller Campingaz click on cartridge (CV470 or similar) or larger screw in cylinder (R907 or R904). Giving you option to take your compatible appliance on varying length trips or in the unfortunate event that your cylinder runs out of gas and you only have a smaller cartridge available.Comes with hose and clamps included, to connect to the stove hose connector.Not intended for use with double burner appliances exceeding 2000 watts per burner, or single burner appliances exceeding 2500 watts.