Reptisun 10.0?

[BeardedDragonLover22]

Ok so i've just been on Ebay australia (as thats where i live) and i've just found the reptisun uvb, but what i want to know is which one do i need??? There's reptisun 5.0, 8.0 and 10.0 there's also 10w, 20w, 30w, 40w and so on???
I have a wooden enclosure (crossfire enclosure) which is 4x2x2!
Please help as i want to order one right now!
thanks.

 

[Beardednoob]

Reptisun 10.0 is the best choice for bearded dragons. As for the length of the bulb I would get either a 48inch or 36inch.

 

[BeardedDragonLover22]

Yeh I've read everywhere that Reptisun 10.0 is the best!
I think I'll get a 36inch
Thanks