The product
1950641:
Sliding Drawer Racks for Tubes (4 inner door freezers), for 900 Series 17-23CF, TSE320, TSE400 ULTs, holds 30 boxes/rack, compatible with Matrix 2D tubes (1.4mL Mfr. No. 3791, 3972, 4890, 3801, 3711, 3112) and Nunc Cryobank tubes (1.0mL, 1.8mL, 2.0mL) is not orderable at the moment. Please contact our
Technical Support for possible alternatives.