Second Filter
Yes, it's akin to both but with a shiny little plastic card. You also have to keep track of how much you've spent. Inflation is terrible, and New York is an expensive city. I can do a lot with a thousand dollars, but even I'm limited.
If we were in my hometown, which is much smaller than New York City, you could get away with that. I don't believe Potts Tower is designed for natural drying like that. Plus, since it's a city, I'd worry about what's in the air.