An efficient and economic alternative to 15mL conical tubes when working with sample volumes between 2.0 and 5.0mL. With the same diameter and conical shape as a 15mL tube, the shorter 5.0mL centrifuge tubes: Produced from polypropylene (PP) with polyethylene (PE) screw cap Single turn threaded caps seal easily and securely Graduated in 0.5mL increments Available sterile in bags or foam racks and non-sterile with tubes and caps packaged separately Suitable for use from -86° to 80°C for low temperature sample storage, general laboratory uses, or boiling procedures Spin up to 25,000 x g with proper support in appropriate rotor   The tubes work GREAT with our low profile Grip Rack