hi ladies and gents ,
after being asked in chat for the details of it heres a few pics of my home made in-line duct exctraction cool tube .
Its currently cooling (along with a 4" td160 in on full , and a 6" rvk out on quarter.) 1000w (400 mh and 600 hps)
Temps just under the canopy is 25 deg C
Anyway enough babble
Time for the pics
Hopefully Soon