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Double Helix Zephyr, 5mm - 1/4 lb.

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DH Zephyr 1/4 lb
Double Helix Zephyr, 5mm - 1/4 lb.

Double Helix's Zephyr is a clear glass that has been formulated to melt smoothly and easily, resist boiling and scumming, have a low reactivity with silver lusters, exhibit a low seed count and have a pristine surface due to careful handling. 5mm rods range from 4-6 mm.


 Sold in 1/4 lb. increments and single rods.


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