Thermo Scientific 1.5mL Microcentrifuge Tube Low rentention Clear Graduated, Snap cap Thermo Scientific Description: Viscous liquids and costly reagents retained in a microcentrifuge tube effect assay accuracy and precision. Thermo Scientific Snap Cap Low Retention Microcentrifuge Tubes improves sample recovery without additives or coatings. The 0.6mL, 1.5mL and 2.0mL snap cap low retention tubes offers maximum sample recovery by significantly reducing surface binding.