I have tried Amazon and had no luck.
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2Welcome to LEGO Answers! It looks like you tried to include an image in you question, but it was cut off. Could you try editing your question to include the image?– jncraton ♦Mar 5, 2017 at 22:25
1 Answer
Try BrickLink, a site which can solve all of your lego needs. It's pretty useful and relatively easy to navigate. Takes a while to get used to, but it's personally my favorite third-party lego site out there.
Here are a couple screenshots of some of the items in the 'hose' categories. You can buy any item that has been listed by any of the thousands of sellers on the site! It's much better than Amazon, eBay, or LEGO.com/pickabrick in terms of variety, price, and convenience.