Choose from fixed or adjustable speeds     * Reversible pad provides one side (with lip to prevent sliding) for capped tubes 110mm (4.33 in.) long; other side for longer tubes     * Autoclavable white silicone rubber pad enhances viewing     * Can be used in a noncondensing incubator or coldroom with ambient operating conditions of 4° to 40°C (39.2° to 104°F) and 20 to 80% RH noncondensing     

Includes: A white silicon rubber friction grip pad for holding tubes in place