Zephyr 5mm - Double Helix

Zephyr is clear glass that has been formulated to melt smoothly and easily in the torch; resist boiling and scumming; have a low reactivity with silver glasses; exhibit a low seed count and be fingerprint and dust free. Every pot of Zephyr is tested compatible with Effetre clear. This rod measures 4-6mm in diameter.

COE 104.