Designed for both liquid and vapor phase storage, the Thermo Scientific™ CryoExtra™ Series features automated temperature monitoring, microprocessor-based LN2 level control, and a built-in battery back-up systems, providing peace-of-mind for valuable samples. Versatility: - CryoExtra accepts both vertical and horizontal racks. - User comfort features and convenient, built-in workspace. - Designed for vapor-phase storage. - Folding step for user comfort. Quality: - Outstanding temperature uniformity. - Large LED temperature display. - Lockable lid for sample protection. - Advanced temperature monitor and alarms. - Microprocessor-based LN2 level control. Designed for both liquid and vapor phase storage, the Thermo Scientific™ CryoExtra™ Series features automated temperature monitoring, microprocessor-based LN2 level control, and a built-in battery back-up systems, providing peace-of-mind for valuable samples. Versatility: - CryoExtra accepts both vertical and horizontal racks. - User comfort features and convenient, built-in workspace. - Designed for vapor-phase storage. - Folding step for user comfort. Quality: - Outstanding temperature uniformity. - Large LED temperature display. - Lockable lid for sample protection. - Advanced temperature monitor and alarms. - Microprocessor-based LN2 level control.