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
Sheep brain, Pail of 10, preserved in Ward s One Solution, A safer alternative to standard formalin fixed specimens, From individual organs to whole organisms, unsurpassed tissue preservation with a safer experience for students
Grassfrog preserved in Pure Solution, 4-5 Plain Pure Vacuum pack, alternative to standard formalin fixed specimens, From individual organs to whole organisms, Pure Preserved combines unsurpassed tissue preservation with a safer experience for students.
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