3" x 10'' SLIM BULGE chimney with 3 5/8'' bulge.
Borosilicate glass, very smooth, with flame cut ends that virtually eliminate end ''flaking'' or ''flea bites.''
This is the best chimney if you have a BALL SHADE. (Limit two chimneys per order/per package.) Slim bulge to fit through the base of most ball shades made for flat wick burner lamps using a 3/4'', 7/8'' or 1'' flat wick; Imitation "Gone With the Wind" lamps.