Handmade, top-quality glass for Moretti. COE 104: compatible with all Moretti and Effetre Glass for fusing and slumping EXCEPT alabaster rods. This is a low-temp soft glass that is well-suited for warm glass techniques, particularly the Hot Pot. UVA- and frost-resistance make this glass suitable for indoor and outdoor projects. Mouth-blown and rolled, this is the peak of quality European glass.