if it's the ones being listed on ebay then don't bother with it unless you want a cheap over tank unit.
there T5 is actually standard T5 and not high output T5. so they just use skinny tubes which are classed as T5 tubes.
i bought 1 of these unitsd thinking it was proper T5 HO but wasn't so complained to them and got a T5 powercompact unit off them for my 3ft marine tank, they were going to tell me to spend the orginal one somewhere but never did!!
