NSF-validated Underbed Gravel

Target Brand underbed gravel is composed of sub-angular, hard, durable, and dense grains of predominately siliceous material extracted and packaged in Western Canada. It is NSF 61 validated for drinking water applciations and is equally effetive in commercial and industrial applications. It is pre-washed and screened to 1/8 to 1/4 inch, making it a good choice for most general water filter and softener bedding applications.

ANSI/NSF 61 validated.

Color: Mixed

Shape: Sub-angular, fractured

Bulk Density: Approx 100 to 110 pounds per cublic foot