Honeywell 3170100 - GPT Flex Seal Filter 100, CO2 Laser Eye Wear - It has an indirect ventilation system that helps in improving the comfort and minimizing the fogging effect. There are different frame styles available for this filter. It is mostly used in the manufacturing and medical sector. It is used against hazards like laser and IPL light. It is certified with ANSI Z1361 - USA American National Standards for Safe Use of lasers. It is designed using polymer absorptive technology. It has usually transparent glass with CO2 protective cover for laser type of eyewear.