CELLTREAT Scientific Products 2.2mL Milk Pipet. Bacteriological/Milk Pipets are manufactures to meet APHA requirements shown in Standard Methods for Examination of Dairy Products and ASTM E1043-00(2010). Specialized graduations allow quick volume identification. Premium material barrier plug. Color coded stripes and packaging enable quick volume identification. RNase/DNase Free and non-pyrogenic. Every case is printed with the lot number for quality traceability. Packaged sterile, 50 individually wrapped/bag, 250/case.