Description: These vials are for use on instruments from the following manufacturers: Beckman, CTC, Gilson, Knauer, Shimadzu, Spark, Varian, VWR/Hitachi, more. ,VWRI548-0850EA,VWRI548-0419EA,VWRI548-0095EA,VWRI548-0175EA,VWRI548-2090EA,VWRI548-1878EA,VWRI548-0448EA