Quick view Remove from Compare Compare Items HPLC Prep Column, Ultra Biphenyl, 5um, 100x10mmNon-returnable, Non-refundable SKU : RK9109517 Log in for pricing Pending approval Restek RK9109517 HPLC Prep Column, Ultra Biphenyl, 5um, 100x10mmNon-returnable, Non-refundable