Solar Eclipse Viewer, Safe for Direct Solar Viewing, Material: Black Polymer, Meets the Standard for ISO 12312-2:2015, CE certified, Filter out 100% of harmful ultra-violet and infrared and 99.999% of intense visible light, Hand Held Card: 3x5in with 1x4in Aperture
Solar System Model, constructed three dimensional model is a great way to explain the solar system to students, mounted on a sturdy base. Includes a key, dimensions: 24x 14x 11 inch, Weight: 3 lbs
Pre-sterilized, Compatible with the widest range of pipets, Maximizes sample recovery with low binding resin, Improves ergonomics by reducing the force required to attach and eject a tip, Autoclavable at 15 psi, 122 deg C for 15 minutes, Length: 50.75 mm, Volume: 20 ul
Filter Paper 125 mm Grade 1 Circles, designed for gravimetric analysis and the preparation of samples for instrumental analysis, High purity, for use in a wide range of critical filtration procedures, Wide range of filter grades and diameters, Ashless 0.007% are very pure filters