Stacking loose cryoboxes in a freezer is a recipe for avalanches every time you open the door. The Heathrow Scientific Arctic Squares® 4 × 4 Freezer Rack organizes up to sixteen 2-inch cryoboxes in a rigid stainless-steel frame that slides in and out of standard upright freezers on stable side rails. Each of the 16 slots accepts any standard-footprint 2-inch (50 mm) cryobox — including Arctic Squares® polycarbonate boxes and comparable brands — so you can consolidate hundreds of cryovials into a single, easily retrievable rack unit. The stainless-steel construction resists corrosion in humid freezer environments and wipes clean with common lab disinfectants. Features and Benefits 16-Place Capacity (4 × 4 Grid): Holds sixteen standard 2-inch (50 mm) cryoboxes — up to 1,600 microtubes when paired with 100-place boxes — in a single organized rack unit. Stainless Steel Construction: Resists corrosion and rust in the high-humidity environment inside freezers, ensuring long service life without coating degradation. Universal 2-Inch Box Compatibility: Accepts Arctic Squares® and any other standard-footprint 2-inch cryoboxes, so you can mix brands and materials within the same rack. Side-Rail Design: Slides smoothly into upright freezers on side-mounted rails, allowing full extension for easy box access without removing the entire rack. Easy to Clean: Smooth stainless-steel surfaces wipe down with 70% ethanol, bleach solutions, or other standard lab disinfectants. Specifications Property Value SKU HS2864 Brand Heathrow Scientific (Arctic Squares® line) Material Stainless Steel Configuration 4 × 4 (16 places) Box Size Compatibility 2-inch (50 mm) standard cryoboxes Dimensions (L × W × H) 5.4 × 22.4 × 9.3 in (13.9 × 57.1 × 23.8 cm) Pack Size 1 each Country of Origin China Laboratory Applications Organizing large cryogenic biobanks in upright −80 °C or −150 °C freezers where hundreds of boxes require systematic rack-based retrieval Pharmaceutical cold-chain storage where auditors require traceable, organized rack positions for GMP compliance documentation Core lab facilities managing shared freezer space across multiple research groups — each rack position can be assigned to a specific PI or project Frequently Asked Questions What size cryoboxes fit this rack?The rack accepts any standard 2-inch (50 mm) tall cryobox with a standard footprint. This includes the Heathrow Arctic Squares® 81-place and 100-place boxes, as well as comparable 2-inch boxes from other manufacturers. Will 3-inch cryoboxes fit?No. This rack is dimensioned for 2-inch (50 mm) boxes only. For 3-inch boxes, see the Heathrow upright and chest freezer racks designed for 3-inch (75 mm) containers. How many total tubes can one rack hold?With sixteen 100-place cryoboxes installed, a single rack holds up to 1,600 microtubes. With 81-place boxes, the capacity is 1,296 tubes per rack. Quality Assurance Heathrow Scientific Arctic Squares® freezer racks are fabricated from corrosion-resistant stainless steel and inspected for weld integrity, dimensional accuracy, and smooth sliding action before shipment. Ordering Authorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.
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