Argos PolarSafe™ Metal Freezer Storage Racks are constructed of high-quality, corrosion resistant stainless steel. Handles at both ends accommodate freezers with right or left handed doors. Our extensive product range will accommodate all type of sample containers including 2", 3", and 5" boxes, microtiter and deepwell plates and 15&50mL centrifuge tubes. Argos PolarSafe™ Racks have been configured to fill all major ultra low (-80°) freezers on the market; racks are designed for Upright and Chest ultra low freezers. Need help deciding which racks work best with your ultra low freezer? Try our Freezer Rack Configurator .