2-5/8 INCH FITTER 14 inch tall and 3-5/16 inch bulge 3/4 Frost Borosilicate Glass Chimney - Fits Rayo & C.D. burners All glass chimneys will vary in thickness due to the manufacturing process. They will fit the holder/burner specified in their description. B&P Lamp 2 5/8 Inch by 14 Inch Glass Lamp Chimney with 3/4 Frosted Design for Vintage and Antique Style Globes - 2 5/8 inch fitter, 14 inch height with 3 5/16 inch bulge, 3/4 frost chimney. Fits Rayo and Central Draft Lamp burners.. Features Include: 2-5/8 INCH FITTER 14 inch tall and 3-5/16 inch bulge, 3/4 Frost Borosilicate Glass Chimney - Fits Rayo & C.D. burners, All glass chimneys will vary in thickness due to the manufacturing process. They will fit the holder/burner specified in their description.