Red Flint Crushed River Stone Under Bedding, 1/4 x 1/8

Red Flint’s Gravel Media is washed, kiln dried for smaller sizes, and screened to meet exacting specifications. The media is composed of sub-angular, hard, durable, and dense grains of predominantly siliceous material. Extracted from a clean glacial sand deposit, Red Flint Sand & Gravel’s physical properties make it among the finest Sand Medias available in the world for filtration applications.