Zephyr is Double Helix's new clear that has been formulated to melt smoothly and easily in the torch, resist boiling and scumming, have 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.Each 1/4/lb bundle is sold wrapped in paper to keep it dust free and was repacked by a gloved packer to keep it fingerprint free.
