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Polypropylene Bio-Ball Filter Medium

Availability: In stock

9190BPolypropylene Bio-Ball Filter Medium (2000/Cs)
9191B1-1/2-Inch Diameter Black Bio Balls - 5 Gallon
9192B1-1/2-Inch Diameter Black Bio Balls - 1 Gallon

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Prop. 65 Warning

WARNING: This product can expose you to one or more chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to