Double Helix is a small glass shop located in the Pacific Northwest.  They specialize in the development of reactive glasses for the lampworking community. 

All of there glass is tested compatible with Effetre Clear 104coe.

GLASS IS HERE!! IN STOCK ITEMS SHOWN IN THE STORE. If you like you can go to there web site http://edhoy.com/index.aspx find what you want. Get the part number then contact us for pricing.