Here ya go.

http://cgi.ebay.com/ebaymotors/Vacuum-Ca...sQ5fAccessories

Viton is a high temp material. And doesn't degrade with heat or sun.

I had a problem with the spring clip, so i used a black nylon tie-wrap and nipped off the excess.

Also, i shortened the tube 1/8".

This guy's put a lot of thought into it and has a very good set-up.

I bought 3