I purchased a tank connection kit to obtain the top connection for the fuel tubing (its a lot better than just a hole in it) The tubing inside has one of these new filter/clunk fitted about 1/4" from the bottom. Tubing fits on to the panel and both are fed into the box. This makes storage better of the filler/empty tube. I notched the box at the top so you can use your flight box with the lid closed.

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