Rack Wesbart side opening outer dims 380h x 140w x 415d including a handle on one end (flat handle), this outer has 21 compartments 54h x 135 for individual cryoboxes up to 52h x 133 x 133, 1 rack per top section of Nordic Lab ULT U100 and will require additional 2 x WO-SOR533A to fill shelf (the shelf may have to be removed)