Worthington 35LDB Liquid Nitrogen Storage Dewar, 35 L, 152 Day Static Hold time

Vacuum space is filled with technologically advanced insulation. Neck tube core minimizes liquid nitrogen losses. Optional roller base lets you easily move larger capacity storage dewars. Sturdy cast-aluminum frame has five wheels with ball-bearing swivel casters. Superior vacuum performance and insulation provide maximum holding times sealed vacuum space between inner and outer shells outer shell is constructed of durable, lightweight aluminum.