hi i dont know the make as came with my five stage filter i do know it is a 30watt to describe it the best i can it is like a 3 inch pipe with inlet and out let coming out at right angles at either end there is a box situated on the side of the pipe which has power lead going to it, it has a bulb that illuminates when power is on and a bulb that states fault indicater next to it this should be of but is staying on even after changing bulb. would this come on if uv needs cleaning inside or is it broken ??