VWR* Tube Filter Unit Stand 7 Holes^ VWR* Tube Filter Unit Stand, 7 Holes, Suitable for 1.5ml, 2.0ml Micro Centrifuge Tube 15ml, 50ml Conical Centrifuge Tube, Non-Sterile, Frustum-shaped product design, product placement stability at high, Can withstand temperature range: -80 Gäâ approx 121 Gäâ