When two polarizing filters are placed atop one another, they can be transparent or opaque to light. By rotating one of the filters, the transmitted light passing through the filters may be turned "on" or "off". Certain materials such as polyethylene, cellophane tape, plexiglass, or corn syrup can exhibit beautiful colors when placed between two polarizing filters.These high quality plastic polarizing filters are perfect for all kinds of experimentation. Can be cut with scissors or an ordinary paper cutter. Sold individually. Available in various sizes. (Sizes are approximate.) Each filter is covered on both sides with a thin protective film which needs to be removed before use. Please note: Our polarizing filters originate on a large roll and may be slightly curved when you receive them. If you need a filter to lie flat, you can bend it in the opposite direction to flatten it and/or place it between two heavy flat surfaces, such as text books.
This product is shipped from our supplier's warehouse in CT, United States
This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
A 25% handling charge is levied against all authorized returns except those due to our error. Unauthorized returns are subject to a 40% handling charge. Damages & defects must be reported to us within 14 days.
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