Check the listing for details. Arbor Scientific Polarizing Filters 50mm X 50mm (20/pack). Condition: New. Listed at 39.95 USD. Enhance your microscope's performance with Arbor Scientific's Polarizing Filters. These filters are designed to complement your microscope's capabilities and provide you with a clearer and more precise view of your sample. With a pack of 20 filters, each measuring 50mm x 50mm, you can ensure that you have enough filters to cover a wide range of samples. These filters are made by Arbor Scientific, a trusted brand in the industry, and are compatible with a variety of microscope models. Whether you're conducting research in a lab or simply exploring the natural world, these filters will help you achieve a clearer and more accurate understanding of your sample. Order now and experience the benefits of high-quality microscope accessories.