Description The Sightmark 55 millimeter diameter red, blue, and green filters provide added benefit for a multitude of scenarios, ensuring that no shooter is caught unprepared. The Sightmark 55 millimeter diameter filters are for use with the Sightmark H840 flashlight. Features Durable plastic Red, green, and blue filters EXPORT CONTROL NOTICE: This product is controlled for export and in-country transfer under the Export Administration Regulations (EAR). division contrary to U.S. law prohibited. Specifications