- 
              National Scientific (Thermo Scientific Inc.) Thermo National Scientific F2517-1 0.22µm Cellulose Acetate Micro-Centrifugal Filters, 750 μL Capacity - NF2517-1Choose Options
- 
              National Scientific (Thermo Scientific Inc.) Thermo National Scientific F2517-2 0.45µm Cellulose Acetate Micro-Centrifugal Filters, 750 μL Capacity - NF2517-2Choose Options
- 
              National Scientific (Thermo Scientific Inc.) Thermo National Scientific F2517-3 0.20µm Nylon Micro-Centrifugal Filters, 750 μL Capacity - NF2517-3Choose Options
- 
              National Scientific (Thermo Scientific Inc.) Thermo National Scientific F2517-4 0.45µm Nylon Micro-Centrifugal Filters, 750 μL Capacity - NF2517-4Choose Options
- 
              National Scientific (Thermo Scientific Inc.) Thermo National Scientific F2517-5 0.20µm PVDF Micro-Centrifugal Filters, 750 μL Capacity - NF2517-5Choose Options
- 
              National Scientific (Thermo Scientific Inc.) Thermo National Scientific F2517-6 0.45µm PVDF Micro-Centrifugal Filters, 750 μL Capacity - NF2517-6Choose Options
- 
              National Scientific (Thermo Scientific Inc.) Thermo National Scientific F2517-7 0.20µm RC Micro-Centrifugal Filters, 750 μL Capacity - NF2517-7Choose Options
- 
              National Scientific (Thermo Scientific Inc.) Thermo National Scientific F2517-8 0.45µm RC Micro-Centrifugal Filters, 750 μL Capacity - NF2517-8Choose Options
- 
              National Scientific (Thermo Scientific Inc.) Thermo National Scientific F2520-1 0.22µm Cellulose Acetate Membrane Centrifugal Filters, 2mL Capacity - NF2520-1Choose Options
- 
              National Scientific (Thermo Scientific Inc.) Thermo National Scientific F2520-2 0.45µm Cellulose Acetate Membrane Centrifugal Filters, 2mL Capacity - NF2520-2Choose Options
- 
              National Scientific (Thermo Scientific Inc.) Thermo National Scientific F2520-3 0.20µm Nylon Membrane Centrifugal Filters, 2mL Capacity - NF2520-3Choose Options
- 
              National Scientific (Thermo Scientific Inc.) Thermo National Scientific F2520-4 0.45µm Nylon Membrane Centrifugal Filters, 2mL Capacity - NF2520-4Choose Options
 
        
        