95% to 99% Alumina Ceramic Ring /Washer/Seals
Relatively speaking, ceramic rings durable glass ring, but the glass ring ring more easy to cultivate digestive bacteria, but the glass rings to use some of the better (A-Class), ph glass ring lower than the ceramic ring, the ph of the glass ring between 7.0-7.5, the ceramic ring around 7.5-8.0. Get Price
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