Source for the b3 conical style coolers

[beeguy]

I see those thermoelectric coolers on the side of the B3 conicals. What are these exactly and has anyone tried using these for a small ferm. chamber? Thanks

 

[wired247]

Its called a Peltier device. One of those things that you could order from China for cheap and play with. Certainly not the most efficient thing in the world but its worth a shot.

http://www.amazon.com/dp/B002UQ150Q/?tag=skimlinks_replacement-20

 

[suds_zville]

Fairly certain this is similar to what is used
http://www.amazon.com/dp/B001JSVLBO/?tag=skimlinks_replacement-20