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Gravel 1/8 x 20 50 Lb. Bag

Gravel 1/8 x 20 50 Lb. Bag

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Gravel 1/8 x 20 50 Lb. Bag

Our filtration silica sand and gravel offer extremely high pure silica content (>99% SiO2). All gravels are washed, dried and sized using PLC controls for consistency. All gravel verieties meet American Water Works Association B100 Specifications for Granular Filter Media and are NSF certified for Standard 61 – Drinking Water System Components & Materials.

Red Flint Filter Gravel are naturally occurring, river-washed, glacial deposit products. Their excellent chemical properties – high in silica content and low in soluble calcium, manganese and iron compound – meet AWWA-B100-89 specifications. Precision sizing and uniform grading to close limits meet the rigid specs of professional water treatment engineers throughout the United States, Canada and overseas.

• Highly-spherical shape and uniform grading provides reliable performance in this product with a long history of performance.
• Low soluble impurities prevent undesirable mineral leaching into process stream


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