CWA Color Back Catalog number: 55140 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673933 Fipronil, 100 µg/ml, Acetonitrile, 5ml Price on request 681166 N-Ethyl-N-phenylurethane, 50mg Price on request 50698 3M Potassium Chloride (KCl) Solution Price on request