FISHMATE 10000 GUV OR ANY POND FILTER UV WHICH REQUIRES AN 8 WATT ELECTRICAL WIREWOUND BALLAST.10000 8 WATT GRAVITY POND FILTER (314)IF YOU HAVE REPLACED THE UV BULB AND IT IS STILL NOT WORKING,THE BALLAST WILL MOST LIKELY BE AT FAULT.
CHEAPER ALTERNATIVE TO REPLACING THE WHOLE ELECTRICAL LID.EASY SELF DIY REPAIR.
BALLAST ONLY,GEAR TRAY NOT INCLUDED