RediSep Prep HPLC Columns

Maximize Your Preparative HPLC Performance


When you need the highest purity compound, your first choice should be Teledyne ISCO's Combiflash EZ Prep fitted with RediSep Gold and RediSep Prep columns.

Teledyne ISCO has built a quality reputation on the high performance of the RediSep and RediSep Gold Flash purification columns. Performance is further enhanced with RediSep Prep columns specifically designed for high performance preparative liquid chromatography (Prep HPLC).



  • Column diameters ranging from 10 to 50 mm in both 150 and 250 mm lengths with 5 µm media.
  • Analytical method development columns.
  • Same chemical bonding techniques used in RediSep Gold and RediSep Prep columns.


RediSep Prep HPLC Columns for EZ Prep

Average Particle Size: 5 microns
Column Diameter:  4.6 to 50 mm
Column Length: 150mm; 250mm

​ ​ ​Catalog Numbers

4.6mm Column Diameter​ ​ ​

​150mm C18, 100 Å



​150mm C18Ag, 100 Å​4.6mm​69-2203-801
​150mm C4, 300 Å​4.6mm​69-2203-803
150mm Silica, 100 ​Å​4.6mm​69-2203-802

10mm Column Diameter​

​150mm C18, 100 Å​10mm69-2203-808​
​150mm C18Ag, 100 Å​10mm​69-2203-816
​150mm C4, 300 Å​10mm​69-2203-832
150mm Silica, 100 ​Å​10mm​69-2203-824
​250mm C18, 100 Å​10mm​69-2203-809
250mm C18Ag, 100 ​Å​10mm​69-2203-817
​250mm C4, 300 Å​10mm​69-2203-833
250mm Silica, 100 ​Å​10mm​69-2203-825

20mm Column Diameter​ ​

150mm C18, 100 ​Å​20mm​69-2203-810
​150mm C18Ag, 100 Å​20mm​69-2203-818
150mm C4, 300 ​Å​20mm​69-2203-834
150mm Silica, 100 ​Å​20mm​69-2203-826
250mm C18, 100 ​Å​20mm​69-2203-811
250mm C18Ag, 100 ​Å​20mm​69-2203-819
250mm C4, 300 ​Å​20mm​69-2203-835
250mm Silica, 100 ​Å​20mm​69-2203-827
​300mm Guard C18, 100 Å​20mm​69-2203-804
​300mm Guard C18Ag, 100 Å​20mm​69-2203-805
300mm Guard C4, 300 ​Å​20mm​69-2203-807
300mm Guard Silica, 100 ​Å​20mm​69-2203-806

30mm Column Diameter​ ​

150mm C18, 100 Å​30mm​69-2203-812
​150mm C18Ag, 100 Å​30mm​69-2203-820
​150mm C4, 300 Å​30mm​69-2203-836
​150mm Silica, 100 Å​30mm​69-2203-828
​250mm C18, 100 Å​30mm​69-2203-813
​250mm C18Ag, 100 Å​30mm​69-2203-821
​250mm C4, 300 Å​30mm​69-2203-837
​250mm Silica, 100 Å​30mm​69-2203-829

​ ​ ​50mm Column Diameter

150mm C18, 100 ​Å​50mm​69-2203-814
​150mm C18Ag, 100 Å​50mm​69-2203-822
​150mm C4, 300 Å​50mm​69-2203-838
​150mm Silica, 100 Å​50mm​69-2203-830
250mm C18, 100 ​Å​50mm​69-2203-815
​250mm C18Ag, 100 Å​50mm​69-2203-823
250mm C4, 300 ​Å​50mm​69-2203-839
​250mm Silica, 100 Å​50mm​69-2203-831


When you purchase instruments from Teledyne ISCO, you not only receive innovative, high quality products, you also receive excellent customer service and product support. Your initial purchase is only the beginning of Teledyne ISCO's ongoing commitment to their customers.

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Software and Firmware Updates


RediSep Prep HPLC Columns Datasheet.pdfRediSep Prep HPLC Columns Datasheet
RediSep Prep Column Care and Use Guide.pdfRediSep Prep Column Care and Use Guide