Approvals Ensure Operation in the Most Demanding Environments. Valor 4000 meets the needs of the most demanding commercial applications in dry or wet environments Knife Proof Keypad Prevents Damage from Sharp Objects The Flow-Thru Design Protects Valor 4000 in Harsh Environments - Safe to use in the weighing of liquids and in wet environments, scales protected from damage from liquids Valor 4000 has a polycarbonate keypad that can endure contact with knives or sharp instruments used daily in demanding food preparation, processing and portioning applications With Legal for Trade certifications and food-safe wash-down design that's NSF Certified, USDA-AMS Accepted and supports HACCP Certified systems