Hello all, I found this ad on an old tractor/farm classified ad section.
Size of pipe is not mentioned, but I think this stuff is normally 3" or so.
Could be a great (cheap) deal for a boom for your next HF beam.

Russ KG6TDX

Ad: "Sprinkler pipe: mostly 30 foot lengths, with Goodfarmer connections,
risers & heads, was used in '02, good condition, 100+ lengths, $10 each,
need to move it; Tom Barrett 760-378-2295 (Weldon CA)"