Cat. No Model Description Unit Prices N01-573-040 PRG611  PURE Cell & Tissue RNA Extraction Kit(50) 1/EA Inquiry N01-573-043 PRG611H  PURE Cell & Tissue RNA Extraction Kit(100) 1/EA Inquiry N01-573-046 PRG611H2  PURE Cell & Tissue RNA Extraction Kit(200) 1/EA Inquiry