dynavap b

Hello, I've been thinking about getting a Dynavap. I was tempted to buy the B because is more affordable, but maybe the silicon stem won't last so I thought about buying it and upgrading it or going for the M, but the M stem seems to get hot very fast, so some people suggested that I buy a...

The Dynavap B pairs well with many glass pieces because of the sealing ability of its silicone stem. So I tried it with a GRAV Pebble Pipe originally designed for combustion (below), and it works like a charm: enough internal area to cool vapor, but small enough to be pocket-sized. All it needed...