Restek Special Offers

20% Off for 20 Years of Biphenyl!

Now through 30 June 2025, in celebration of the Biphenyl 20th anniversary, get 20% off your purchase of Restek Biphenyl LC analytical columns and guards. To apply the discount to your order, log in and enter code BIPHENYL20 at checkout, or contact your local Restek office to redeem. Click here to see a list of eligible products.

Must be logged into your restek.com account to see discount reflected in shopping cart. Offer applies only to Restek Force and Raptor Biphenyl analytical columns and guards (does not include Allure, Ultra, Pinnacle, and Viva columns and guards). Up to five columns may be redeemed in a single order. One-time use of discount per customer. Redeemable online in US and Canada; contact your Restek local office to redeem outside of the U.S. and Canada. A different offer is available in China; please contact your local office directly for details. Valid through 30 June 2025, or while supplies last. Available for direct (nondistributor) sales through Restek offices in the U.S., Germany, Italy, UK, France, Spain, and China. Cannot be combined with any other discounts. Restek reserves the right to amend orders that do not conform to the conditions of this offer.