Silica Sand 6/20 grade; 50 lb. Bag A high-purity sand often used as a well gravel, as a concrete additive, or for other residential, commercial and industrial sand uses. Closely graded silica sand 6-20 sieve size.
Silica Sand 6/20 grade; 50 lb. Bag A high-purity sand often used as a well gravel, as a concrete additive, or for other residential, commercial and industrial sand uses. Closely graded silica sand 6-20 sieve size.