B2-CR: Chemical Refill Package $223.80 A chemical refill package for Basic Program 2. B2-CR: Chemical Refill Package quantity Add to cart SKU: B2-CR Category: Refills Tag: B2 Description Description A chemical refill package for Basic Program 2. Related products B3-CR: Chemical Refill Package $231.10 Add to cart B2-6: Identifying a Specific Enzyme in Chicken Erythrocytes by Enzyme Cytochemistry $84.33 Add to cart B4-CR: Chemical Refill Package $225.37 Add to cart B1-1F: Chemical Refill for B1-1: Properties of DNA $51.46 Add to cart B2-4: Evolution of Serum Proteins $84.33 Add to cart EP-2P: Polyacrylamide Electrophoresis Package $41.61 Add to cart