Diffuser plate did not come with mine. I picked up a piece of metal and installed it myself. No big deal.
I'm talking 3.5 -4.0 gallons of water- I'm approximating, haven't actually measured it. Takes a lot of energy to keep it all simmering. Ribs are wonderful- full of moisture, juicy. I do not foil using the water tray.
Lite beer and Lite music were not made for heterosexual male consumption.
Squirrels are nature's little speed bumps.