Universal NATO Jerry Fuel Can Nozzle Spout Fits all NATO cans including small surplus cans. Flexible steel nozzle. Filter screen in nozzle to catch debris. Non-vented. Fits all NATO cans as a result regardless of internal vent in the can. Fits only NATO fuel cans with the 1" opening. Will not fit wide mouth style NATO water or oil cans, will not fit US style cans with screw-on lids.