For all in tank plumbing <font face="Arial">when using NON ethanol blended gasoline</font> I use the 3/32" or 1/8" Hayes black seamless neoprene tubing which is very flexible and never gets stiff with age. Always use a felt filter clunk and some sort of barbs arrangement on our brass tubing along with small tie straps to keep the tubing in place.

Karol