518L -25°C Laboratory Freezer: Medical-grade preservation at -25°C with industry-leading ≤3°C spatial uniformity and adaptive cooling performance: 120-minute rapid cooldown (25°C→-25°C) at 115V/60Hz or 220-240V/60Hz, or 180-minute operation at 220-240V/50Hz. Engineered with multi-zone forced-air circulation and R290 natural refrigerant, housed in a stainless-steel upright chassis. CE safety certified + UL 250 listed + FDA registered for biologics intermediate storage, serum/antibody repositories, and GMP-compliant biosimilar staging centers.
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