Alltech® Allsphere™ Columns Try Alltechs lower cost Allsphere™ columns as a replacement for Spherisorb® columns. If you are not satisfied with Allsphere™ as a direct replacement for your Spherisorb® applications, we will refund your money. 了解更多或訂購產(chǎn)品，請致電耐士科技全國服務(wù)熱線：400-188-0725