2248 Cobalt Blue Filigrana
Diameters available: 4-5mm.
Working notes: A transparent dark blue over white and encased in clear.
COE: 104 and is compatible with our other COE 104 glass.
Length: approximately 30-33cm
Effetre code: 592248
Effetre was previously called Moretti and these names are still used interchangeable in the lampworking community