Also seen people use a disposable foil pie pan as a simple diffuser. Easy clean up, when it gets nasty, toss and replace.
Modded Brinkmann Gourmet. Basic UDS. Rescued 22.5" OTS. SJS Mini-WSM. Stubbs. B&B Oak Lump.
Cannondale 2009 F8 (for burning off all the great BBQ)