Sale Quick view USA Lab Polyscience 7L Space-Saving Refrigerated Circulator, -20°C to 170°C, 200W; 120V -SD07R-20-A11B- USED Polyscience SD07R-20-A11B 7L Refrigerated Circulator *USED ITEM, 30 DAY WARRANTY* he Polyscience SD0 MSRP: Was: $3,500.00 Now: $2,900.00 Add to Cart