Duplex Alternate Oil Lamp Glass Chimney – 2 1/2″ or 63mm base diameter.

Glass Oil Lamp Chimney – We describe this chimney as “Duplex Alternate” as it has a slightly smaller base diameter than the regular Duplex Round chimney and will fit those duplex burners with a slightly smaller opening – this is a “New, Old Stock” Chimney of top quality!

Chimney measures 270mm (27cm, 10 1/2″) tall with a base diameter of 63mm (2 1/2 inch) and top diameter opening of 48mm. This is a slimline chimney with the widest part of the chimney measuring approx 75mm across.