Do air purifiers that function like bongs exist?
October 20, 2008 8:15 PM Subscribe
I prefer products that don't require replacement parts (e.g. gadgets with rechargeable batteries, bagless vacuum cleaners, etc.). I'm currently in the market for an air filter, but they all require replacement filters, and I can't find one that operates on the same principle as a bong. Do such magical appliances exist? Is there a good reason why they shouldn't?