SCR15 15ml centrifuge tube rack (25 holes) 100 pcs/box 15ML CENTRIFUGE TUBE RACK For 5ml/10ml/15ml Centrifuge tube. Size: 24.7 X 13.7 X 4.5cm Ã?:1.9cm Qty: 50pcs/ctn Test tubes are gripped firmly, yet are easy to insert and remove Temperature range: -196 to 93C (-321 to +200 F) Expanded Polymer Foam is chemical-resistant, impervious to moisture and odors, and unbreakable under normal use conditions