http://thevaporblunt.corecommerce.com/Water-Tool-Attachments/14-4-mm-Micro-shower-Water-Tool-Attachment.html
"The Real Vapor Blunt has the PN WT on sale for $50 with code PNWT50."
My friend has one and I've used it with my log vape and with my Thermovape Cera, great little piece of glass!
Not sure how much the Bent Glass pieces are, hard to find an online retailer. They have a contact forum though!
I'm talking TINY particles that are small enough in a small enough area that it will all be vaporized. Anything that may be loose down in there will be pulled up and out during a draw on it as well. The cart can be boiled and soaked so if you have any concerns about cleanliness you shouldn't...
The heating coil is under the bowl that has its own 'screen' style setup in it. You won't get charring of your herb (unless you really heat it and combust, but hard to do). Minimal issues with particles falling down, they would have to be very small and you're pulling air in the opposite...
At this point probably something third party like this.
http://www.ebay.com/itm/External-Power-Supply-Handle-Adapter-for-ThermoVape-Vaporizers-T1-SV-EVO-/181187556631?pt=LH_DefaultDomain_2&hash=item2a2f9eb517
Yeah I feel ya on not wanting to make a stink, but who knows, maybe they'll hook you up with something! Worst case if they tell you to return it for a swap out decline.