Amazon.com: 12,Dynaplug® Carbon Ultralite,GSW WR-RB2 Two Rings Burner with 1-1/4” Air Shutter, 1-1/4” Pipe 35,000 BTU/HR, Fitting for Stock Pot and Wok Ranges,801GO Commercial Dual Fuel Burner – Carlin Combustion Technology,Amazon.com: ENERGY RETENTION DISK/TARGET 31232 FOR CLEAN BURN WASTE OIL FURNACES : Home & Kitchen