Following the slogan "Any Column, Any Size, Any Media" Dr. Maisch manufactures quality LC products for HPLC, UHPLC and prep LC applications. Dr. Maisch holds several patents for Nano- and Preparative-LC-Hardware. The columns offered include the brands ReproSil, Reprospher, Repromer, Ultrasep, GromSil and product lines of the former Grace/Alltech portfolio: Vydac, Adsorbosphere, Alphabond, Allsphere, Econosphere, GreatSmart, Platinum and VisionHT. The latest product line launched by Dr. Maisch is ReproSil pHoenix, a phase with enhanced stability against an extended pH range, enabling new method development tools as well as exhibiting longevity under such harsh conditions.