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Every product in the Q™ Premium Natural Quartz line is Kosher certified with the Seal of the Kosher Trust (Seal-K).

Seal-K is guided by the highest standards of Halachah—Jewish Law for the purposes of certifying Kosher products and operations—and is approved by some of the most revered names in the Kosher supervision. Members of the Seal-K team are certified by the Chief Rabbinate of Israel. The Seal-K is also universally recognized by US and European rabbinical authorities.