The unique construction, providing maximum air penetration, durability, and easy operation. Approved for food contact. Produced in HDPE - resistant to most acids and chemicals. Designed for temperature-sensitive applications. It can operate at temperatures from -50 ° C to + 90 ° C. Air circulates rapidly through the distance recesses to ensure a faster and more efficient freezing process throughout the entire pallet load. Maximum air penetration during freezing and hardening operations Locks for freezers are available in two types: 1200 × 800 and 1200x1000mm. Standard colors: blue and black others available upon request only.