Where can i purchase 43watt cfl?

Hey guys, im going for a indoor setup with cfl lights, i have just orderd 1 x 250 watt blue and 1 x 250 watt red cfl, im now looking for 43 watters to cover the sides of my grow but having trouble finding them, im based in the uk so prefer uk supplier. chepaer the better

Thanks in advance for any advice given.

I am desperate guys, need these lights tomorow, maybe i should have stated 42 watt cfl... my bad