How to make your own 4" stainless steel snorkel

[AB]

Just try it out on some tin or corrugated iron mate. Just drill a hole in the middle of the area and then cut the hole.

I just used a drill on a low setting to the speed of the nibble was slow, easy to do mate.

Here's a basic video below of one in action, see how slow it can go.....Can't stuff it up mate!