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Originally Posted by martym
I don't know where else to post this so I put it here.
The question is I have a couple of ballasts and lights which I think are HO. How can I tell?
Here is the number off the lights
F72T12/D/HO 85 WATTS ALTO COLLECTION BY PHILIPS.The bulbs are 6' long.
Thanks in advance for the help.
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In that part # the HO at the end stands for High output
So what you have are HO's
Robert