Gravel 1/2×1/4 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 speci fica tions of professional engineers throughout the United States, Canada and overseas.
Advantages:
• 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
#1/4 x 1/8″ Filter Gravel Under-bedding for Industrial and Residential Home Filtration Use. Mined, washed and sieved to exacting specs in California in accordance with guidelines set forth by drinking water associations. Excellent filtration media for water filtration tanks, residential and industrial. Free of mud and other contaminants.
Technical Details
