two different powersun mv bulbs??

[FreeLove]

Im looking on Amazon and I keep seeing 2 different power sun bulbs

http://www.amazon.com/Zoo-Med-Power...d=1352785225&sr=8-1&keywords=reptile+mv+bulbs

And

http://www.amazon.com/Brand-ZOO-MED...785225&sr=8-8-spell&keywords=reptile+mv+bulbs

Both are 100 watt so im confused,, can anyone please help me. Im looking for my beardie and my panther

 

[Sohumvet]

They're both the same. 100 watt mercury vapor. No difference. Go for the cheaper one. I have the one with the bearded dragon on the box( the cheaper of the two). I've never seen the other box before. Maybe just newer packaging but regardless still the same bulb.