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Alumina Air Stones: Description Creates finer bubbles for increased aeration efficiency with no increase in pressure Inlet fittings are set into the body of the diffuser, making them much less likely to break or twist loose Higher density means self weighting Cleanable with muriatic acid or chlorine More resistant to ozone Alumina 6″ x 1/2″ NPT 0.5 CFM Alumina 12″ x 1/2″ NPT 1.0 CFM
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🇺🇸 Ship from USA · On Agora since 2026
$19.99