Zoomed T5 fixtuere question

[cody]

As many of you know probaly know, I'm switching to T5 bulbs. I want to get the zoomed fixture because it has a reflector. You can get the fixture in 24 and 30 inches, but thoes both take a 22inch bulb? What's the diffrence ?

 

[cody]

I'll probably end up getting the 36 inch... I'd still like to know why the 24 and 30 both take a 22 bulb tho.

 

[PatsyB]

I had to look it up, that is weird. I don't know why.

 

[Mushuandcricket]

I had to look it up, that is weird. I don't know why.

That is weird. It is good you caught that who needs all the extra length on the fixture.