I have a kitfox III. What are most people running for fuel line? Also, do most people run a valve at the fuel tank and if so, what part number?

F-4040-A PVC FUEL TUBING (yellow)
TYGON LP-1200 FUEL LINE TUBING (white)
PARKER SUPER-FLEX 397 SERIES FUEL LINE HOSE (black)
1/4" POLYURETHANE FUEL LINE (blue)

Thank You,
Matt