Propane High Altitude Conversion Kit, Used with A80/G802 Stage Furnaces, Package Contains: (12) 37 Main Burner Orifices, (1) Installation Instructions, (2) LP/Propane Regulator Springs, (1) Gas Conversion Label, (1) Nameplate Conversion Label; Weight: 1/2 Lb, Bag Dims:8"H X 14"W X 1/2"D, In Mfg Bag, Made in USA.