These are thin, disposable sheets of paper designed specifically for cleaning optical lenses. Suitable for eyeglasses, cameras, telescopes, microscopes, and other optical instruments. Sold in a pack of 50 sheets. M-2116
$1.25This spare pH sensor is for HM Digital Waterproof pH Meter model P-200. Features Glass pH sensor and reference tube and thermister. NC-11110
$42.95These steel ring clamps have a 6 inch outer diameter ring which can be rotated and locked at any angle. The inner diameter is 5.25 inches. Length is 9.5 inches; 6 inches from center of ring to center of bosshead. Set screw is nickel plated steel. NC-13231. Sold in a pack of five.
$81.50Fits 25X150 and 25X200 Test Tubes and 24/40 ground glass openings. All of our black rubber stoppers are laboratory grade. Available as solid or 1-hole. Hole diameter is 5mm. NC-0959
$0.80These blades are made of high carbon steel, individually foil wrapped and sterilized by gamma radiation. Used with scalpel handle #3. NC-1312
$2.95This 2000mL unbreakable molded polypropylene tall form beaker with a handle is ideal for general lab use. The beaker has a pouring spout and permanent graduation markings up to 2000mL with good chemical resistance. Height is 212mm. Sold as a pack of six beakers. NC-9569
$39.25MTC Bio 15mL TotalPure™ Metal Free Centrifuge Tubes, 20,000xg max RCF, sterile, w/ Hi-Viz Graduations and max freeze line, Pack of 250 tubes are individually wrapped. NC-14986
$118.94This green glass dropper bottle holds a volume of one ounce (29.5 mL). NC-14423
$2.25For use with SureStrain Premium Cell Strainers, simply attach the reducing adapter to fit 15mL or 5mL conical tubes. Gamma sterilized and individually wrapped to prevent sample contamination. Sold as Pack/25. NC-14977
$54.23Lab grade, Flake — This is used in several patina formulas. See More Info for formula list. NC-3361
$11.95This timeless novelty is a scientific wonder, using the properties of thermodynamics to keep it in constant bobbing motion. NC-3905
$9.00
