1/4" gas connector. Brass. 1/4" propane or natural gas quick connector and excess flow plug. 1/4" Male pipe thread x 1/4" Female pipe thread CSA (AGA) certified, UL approved. Used with model No. F276134, F276139, and F276140. Material Type: Brass, Grade: CSA, (AGA) Certified & UL Approved, Model Number Compatibiltity: F276134, F276139 and F276140, Pipe Thread Size: 1/4"