Product Overview
Red Flint Sand and Gravel water filter gravel is composed of sub-angular, hard, durable, and dense grains of predominately siliceous material. Extracted from a clean glacial deposit, Red Flint Sand and Gravel’s physical properties make it among the finest available in the world for water filtration applications. Red Flint water filter gravel is washed, kiln dried, and screened to meet EXACTING specifications with strict adherence to quality control.
