Heavy-duty screw in plastic spout with/without strong flexible tube, screw fitting is high quality 3D printed in PLA+  30mm end adaptors are printed in PETG to handle higher fuel exposure. Included is an air return valve with a screw cap that can be fitted to the top of you can to allow air back into the container to fit this drill a 14 mm hole in a part of the can carefully not to pick somewhere the plastic is too thick (like the behind the handle) as this will make the fit much harder, either of the corners or just off-centre is an ideal spot for this if you can push it with just a little bit of give with your thumb its thin enough and good place to drill your hole for your push in valve) it is a tight fit, so a pair of needle nose pliers can help here greatly just to push the valve into the hole gives you a nice snug fit when you're done.  Sealed with a flush fitting and a secondary O-ring. Print-in-place components, so you can't remove the cap from the spout, helps stop you losing either (spout can still be rotated before screwing all the way down). To buy additional valves Click here   If you would like it in a specific colour, just message either before or after purchase, I usually have most colours in stock.