This 3" x 12" clear Slimline chimney slips inside a ball shade w/narrow openings. The center also known as the bulge is 3 1/3" wide.

We have a large assortment of sizes as small as 1 1/4" x 5 1/2" or 1 1/2" x 4 3/4" to as large as 4" x 12" or 3" x 14". There is also frosted or beaded-top chimneys to choose from. What ever your need contact us at 1-800-Lindas3 or 740-965-3283. Or e-mail us at Linda@Lindas3.com. We'll be happy to help you.