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Our goal is to provide the best Customer Experience possible. If you cannot find what you are looking for, have any questions or would like to give us a suggestion please use any of the following ways to contact us directly. We would love to hear from you.

  • Call us: 8:30AM – 6:00PM EST 1-732-380-8900 and hit 0#

  • Fax to us: 1-910-769-9435

  • Email Customer Support

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We are always ready to lend any support we can. Our experienced scientists and professionals are ready to assist you with any technical support questions. Every question is considered a good question and we will work with you on a solution as fast as possible.

Pre-Column Filters | Protect Your Columns | 2um or 0.5um

Our technical team strongly recommends that you filter every sample before you inject them into your column with a syringe filter. However, even with pre-filtering, your samples could agglomerate or precipitate in the vial or pick up particles from your injector. An additional and most economical way to protect your columns and guard columns is to use a disposable, Pre-Column Filter.

These low-cost filters have finger tight fittings that are easily hand tightened into the inlet nut of the HPLC column or guard column. The stainless steel frit inside this filter is available in 0.5um, 2um or 10um pore sizes. When you see back pressure rising, it’s time to replace the pre-column filter with its trapped particles.

Click HERE for Guard Column Holders.

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