Music City Metals 21217 Stainless Steel Heat Indicator Replacement for Gas Grill Model Nexgrill 720-0665 Listing is for 1 heat indicator. 2.6875 x 2.3125 inch heat indicator Fits Nexgrill 720-0008-T, 720-0665; Outback 2-burner, 3-burner, Spectrum 3-burner, THG3302P, Tungsten