... CE,FDA,ISO,Certification. 5ml Serological Pipettes for the laboratory consumables Overview:Serological Pipettes are made of transparent polymer material- ... of performance not available from other brands of serological pipettes.We also provide OBM,OEM,ODM services for any ... 2. Two-way scale markings, easily increment or decrement reading 3. Excessive scale marking to increase flexibility of work;4 ...