PH Buffer Capsule for calibration of pH, contains four capsules for each of the 4, 7, and 10 pH buffers, making a total of 12 capsules. The set also includes a small bottle of universal indicator with mold inhibitor, Has to be added to 100 ml of distilled water
Floor-Mount Filtered Fume Hood, Power Supply: 230V, with Neutrodine filtration appropriate for procedures requiring personnel protection in a lab that can't accomodate duct work nor make-up air, Formaldehyde sensor, Includes 2 fixtures, fully-closing, Size: 5ft