Check the listing for details. Optical Linear Polariser Filter Circular Linear Polarizer Glass. Condition: Open box. Listed at 8.00 USD. - Optical Linear Polariser Filter Circular Linear Polarizer IntroductionThin-film linear polarizerGlass substrateExtinction ratio: 30:1Four options:Dia. 15mm x 2.1mm thick;Dia. 20mm x 2.1mm thick;Dia. 25mm x 2.1mm thick;Dia. 25.4mm x 2.1mm thick;< NOTE：if you want different size, please contact us. >Quantity:1 piece PACKAGE:1pc * Optical Linear Polariser Filter Circular Linear Polarizer NOTES1. If you want to buy more than the "available quantity", please contact us.2. We ship it from China, please understand the time it will take for international transportation.3.We can combine shipping. We will ship it via 'Standard SpeedPAK' to some countries and China Post Air Mail to most other countries.4. If you want us to ship it by the express such as EMS/DHL/UPS/FedEx in order that you could receive it very soon, please contact us in advance, we could send you an invoice with the EMS/DHL/UPS/FedEx shipping fee.5. If you have any questions, please contact us directly. Thanks for your time and happy shopping!