Rope-Style Compression Packing Seals, Product Type Compression Packing Seal, Overall Length 25 ft, Pressure for Pumps - Maximum 250 psi, pH - Maximum 14 pH, Standards Not Rated, Shaft Speed - Maximum 4,000 fpm, pH - Minimum 0 pH, Packing Seal Size 5/16 in, Pressure for Valves - Maximum 2,500 psi, Color Black