The 5700-1 ducting has been specially manufactured to fit the 5/8"
outlets on most cooling fans. The ducting is available in 5' lengths with an inside diameter of 5/8".
|LS03-04001 - LONE STAR 5/8 FAN DUCTING SOLD BY THE FOOT|
|LS03-04000 - LONE STAR 5/8 FAN TUBING SOLD BY THE FOOT|