Well, I have a setup very similar to what your explaining here. The only reason why it wont work IMO is having bends in duct work or fan speed or water temp.
If you have eliminated all the common causes and designed it the best you can. It should cool and filter at the same time. Im open to...
Also, those people who are already in patient program will be grandfathered in with special rights. And those people after April 14th, 2014 will need to meet additional requirements to join the state MMJ program. More to come from my carson city people.