Lamp Chimneys | Shades | Toppers

Standard chimney sizes are 2 1/2 outside glass diameter and 2 7/8" outside diameter. A 2 1/2 inch outside diameter Has a 2 5/8inch  fitter. A 2 7/8 inch outside bottom diameter has a 3 inch fitter. The fitter will always be 1/8 inch  larger than the actual glass diameter