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Air stones can become clogged with mineral deposits which hamper
their performance. Keep your portable aerator operating at peak
efficiency by replacing the air stone on a regular basis.
WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DHEP) and lead, which are known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov