will this one work 100%idk if the other will work but this is an ex.
Yes,these florecent tubes are abt a little more than 1/4" dia, one 24 inch T5 would be perfect for you grow space you can get them here, the cheepest I've found........http://www.bghydro.com/BGH/Index563c.html?url=INDIs that the long skinny tube bulb?
Possably but T5's is your best bet, well worth it and you'll get a better grow.also would t4 lights work i have 3 of them