Westinghouse 8-1/2 in. Handblown Clear Chimney with 2-5/8 in. Fitter and 3-5/8 in. Bulge 8307000 - The Home Depot
Lehman's Oil Lamp Glass Chimney - Replacement Hurricane Globe Measures 3 in diameter base x 10 in high for Oil or Kerosene Lanterns, Clear - Walmart.com
3" Fitter, 8-1/4" Tall Clear Beaded-Top Glass Lamp Chimney (57936C) - Antique Lamp Supply - Quality Lamp Parts Since 1952