bbq factory&reg; JTX303(2-pack) Ceramic Electrode Replacement for Select Great Outdoors and Uniflame Gas Grill Models JTX303 Replacement Ceramic electrode Ceramic electrode Used with burner 17303 Fits Great Outdoors D450, Great Outdoors DC450, Great Outdoors DG450, Uniflame GBC621CR-C, Uniflame GBC730E-C, Uniflame GBC730W total 2 pcs