Harold, I had worried about rust also, but w/a trap/dryer @ the compressor the water elsewhere in the lines is negligible. The plumber at the local lumber shed recommended the black over the galvanized pipe, but I cannot remember why. Brian


My \'64\'s in the Gallery
Pictures in my Photobucket
1964 C10 Custom Cab 350/700R4
1964 Suburban 350/700R4
1979 Ford F350 4x4 400/c6