lead free/ non lead free hot air rework stations

can anyone tell me if the difference between the “[regular” and [lead free hotair workstations is the fume extractor system on the lead free one?](http://www.sparkfun.com/commerce/product_info.php?products_id=609)](http://www.sparkfun.com/commerce/product_info.php?products_id=75)

in email from sparkfun:

The 2738 is capable of sustaining higher temps. The 857A is a good unit,

but has a lower overall air flow and has not iron. The 2738 has a very

good iron.