Heathrow Scientific HS2860CB True North Cardboard Cryogenic Tube Storage Box and Lid, 50 mm, Blue, Pack of 12 pcs

Features:

• Made from cardboard
• Colors allow for easy identification and sorting purpose
• Store in LN₂, or in mechanical freezers
• Bottom vent holes to allow quicker circulation and removal of cold air, vapor or LN₂
• Fits 1.5 / 2.0 mL tubes
• Dimensions: 5.2 x 5.2 x 2 in (13.3 x 13.3 x 5 cm)
• Color: Blue
• Sold in packs of 12